140 daily used formal and informal English vocabulary words

รวมคำศัพท์ภาษาอังกฤษทางการและไม่เป็นทางการ (Formal & Informal) ‍‍ที่ใช้บ่อยพร้อมประโยคตัวอย่าง

ask – enquire:

Informal: I’ll ask about the project’s progress when I see the manager next.
Formal: The manager will enquire about the project’s progress during the next meeting.

ask for – request:

Informal: She asked for some time off from work.
Formal: He submitted a formal request for a leave of absence to the HR department.

book – reserve:

Informal: Can you book us a table for four at the restaurant?
Formal: We would like to reserve a table for four at the restaurant.

check – verify:

Informal: Can you check the financial statements to make sure they’re correct?
Formal: The auditor will verify all the financial statements for accuracy.

let – allow:

Informal: The school doesn’t let students use their phones during class.
Formal: The school does not allow students to use their phones during class.

help – assist:

Informal: The technician will help you set up your new computer.
Formal: The technician will assist you with setting up your new computer.

get – acquire:

Informal: The company plans to get new software to improve its data management.
Formal: The company plans to acquire new software to improve its data management.

good – beneficial:

Informal: Working out is good for your health.
Formal: Regular exercise is beneficial to your health.

start – commence:

Informal: The ceremony will start at 10 a.m. sharp.
Formal: The ceremony will commence at 10 a.m. sharp.

bad – poor:

Informal: The project’s bad performance is because of poor planning and execution.
Formal: The project’s poor performance is a result of inadequate planning and execution.

stop – cease:

Informal: The company will stop operations at the end of the fiscal year.
Formal: The company will cease operations at the end of the fiscal year.

tell – inform:

Informal: Please tell me if there are any updates regarding the project.
Formal: Please inform me if there are any updates regarding the project.

understand – comprehend:

Informal: It’s important to understand the risks involved.
Formal: It is essential to comprehend the risks involved.

figure out – ascertain:

Informal: Let’s figure out what went wrong.
Formal: The investigator will ascertain the cause of the malfunction.

adjacent – next to:

Informal: The office is next to the main building.
Formal: The office is adjacent to the main building.

agree – concur:

Informal: I agree with your suggestion.
Formal: I concur with your recommendation.

handle – conduct:

Informal: I’ll handle the customer complaints today.
Formal: I’ll conduct the customer complaints today.

keep – confine:

Informal: Please keep the noise down.
Formal: Please ensure that the noise level is confined to a minimum.

show – demonstrate:

Informal: The teacher will show us how to use the new tool.
Formal: The instructor will demonstrate how to use the new tool.

meet – convene:

Informal: The committee will meet again next week.
Formal: The committee will convene again next week.

promise – assure:

Informal: Don’t worry, I’ll promise the project is done on time.
Formal: I assure you that the project will be completed on schedule.

set up – establish:

Informal: They want to set up a new branch in the city.
Formal: The organization aims to establish a new branch in the city.

decrease – diminish:

Informal: The company’s profits have decreased over the past year.
Formal: The company’s profits have diminished over the past year.

hand out – distribute:

Informal: I’ll hand out the flyers at the event.
Formal: I will distribute the flyers during the event.

look at – examine:

Informal: The tech will look at the equipment for any problems.
Formal: The technician will examine the equipment for any faults.

find out – discover:

Informal: They found out a new way to make things work better.
Formal: The team discovered a new method for improving efficiency.

put off – postpone:

Informal: Let’s put off the meeting to a later date.
Formal: We should postpone the meeting to a later date.

get rid of – eliminate:

Informal: We need to get rid of the bugs in the system.
Formal: We need to eliminate the bugs in the system.

highlight – emphasize:

Informal: The speaker will highlight how important sustainability is in the talk.
Formal: The speaker will emphasize the importance of sustainability in the presentation.

try – endeavor:

Informal: The scientists tried to find a cure for the disease.
Formal: The scientists endeavored to find a cure for the disease.

boost – enhance:

Informal: The new software will boost the efficiency of our operations.
Formal: The new software will enhance the efficiency of our operations.

come up at – formulate:

Informal: I need to come up with a new idea for the project.
Formal: I need to formulate a new concept for the project.

create – generate:

Informal: I’m going to create a new design for the website.
Formal: “I will generate a new design for the website.

cover – encompass:

Informal: The study covers various aspects of the topic.
Formal: The study encompasses various aspects of the topic.

carry out – implement:

Informal: “We’re going to carry out the new policy into action next month.”
Formal: We will implement the new policy starting next month.

show – indicate:

Informal: Can you show me how this works?
Formal: Could you indicate how this function operates?

show – present:

Informal: She’ll show us the research results at the conference.
Formal: She will present the findings of the research at the conference.

combine – integrate:

Informal: The new system combines seamlessly with the existing one.
Formal: The new system integrates seamlessly with the existing one.

make sense of – interpret:

Informal: It is difficult to make sense of the data without proper training.
Formal: It is difficult to interpret the data without proper training.

stand for – represent:

Informal: What does this symbol stand for?
Formal: What does this symbol represent?

look into – investigate:

Informal: The team will look into the cause of the malfunction.
Formal: The team will investigate the cause of the malfunction.

real – legitimate:

Informal: The concerns raised were real.
Formal: The concerns raised were legitimate.

explain – justify:

Informal: He could not explain his actions.
Formal: He could not justify his actions.

change – modify:

Informal: The design was changed to meet the new requirements.
Formal: The design was modified to meet the new requirements.

keep – retain:

Informal: It is crucial to keep a healthy work-life balance.
Formal: It is crucial to maintain a healthy work-life balance.

watch – observe:

Informal: The scientists watched the behavior of the animals.
Formal: The scientists observed the behavior of the animals.

deal with – handle:

Informal: I’ll deal with the customer complaints.
Formal: I will handle the customer complaints.

go against – oppose:

Informal: This decision might go against what we originally planned.
Formal: This decision may oppose our initial plans.

fill in – substitute:

Informal: She’ll fill in for the teacher who’s out.
Formal: She will substitute for the teacher who is on leave.

end – terminate:

Informal: The contract was ended due to non-compliance.
Formal: The contract was terminated due to non-compliance.

want – desire:

Informal: She really wants to move up in her job.
Formal: She has a strong desire to advance her career.

remove – eliminate:

Informal: Can you remove the stains from this shirt?
Formal: Please eliminate the stains from the garment.

whole – entire:

Informal: I ate the whole pizza by myself.
Formal: I consumed the entire pizza.

use – consume:

Informal: The machine uses a lot of energy.
Formal: The machine consumes a significant amount of energy.

think about – consider:

Informal: I’ll think about your suggestion and let you know.
Formal: I will consider your suggestion and provide feedback.

job – occupation:

Informal: Her job as a lawyer needs a lot of training.
Formal: Her occupation as a lawyer requires extensive training.

chance – opportunity:

Informal: This job is a great chance to move up in your career.
Formal: This position offers an excellent opportunity for career advancement.

join in – participate:

Informal: Employees are encouraged to join in the survey.
Formal: Employees are encouraged to participate in the survey.

make better – ameliorate:

Informal: Steps were taken to make things better for the factory workers.
Formal: Steps were taken to ameliorate the conditions of the factory workers.

make easier – facilitate:

Informal: The new policy will make communication easier.
Formal: The new policy will facilitate better communication.

see – perceive:

Informal: She saw a change in his behavior.
Formal: She perceived a change in his behavior.

decrease – diminish:

Informal: The company’s profits have decreased over the past year.
Formal: The company’s profits have diminished over the past year.

lessen – mitigate:

Informal: Measures were taken to lessen the impact of the disaster.
Formal: Measures were taken to mitigate the impact of the disaster.

support – advocate:

Formal: She actively advocates for environmental sustainability.
Informal: She strongly supports efforts to protect the environment.

imagine – visualize:

Informal: Try to imagine the final result to help with planning.
Formal: You should visualize the end result to better plan the project.

give – allocate:

Informal: We should give resources properly to finish the project on time.
Formal: We need to allocate resources efficiently to meet the project deadlines.

organize – arrange:

Informal: Let’s organize a meeting to go over the project details.
Formal: We will arrange a meeting to discuss the details of the project.

change – transform:

Informal: “The new strategy will completely change how the company handles customer service.
Formal: The new strategy will transform the company’s approach to customer service.

choose – select:

Informal: You can choose a movie you want to watch.
Formal: You may select a film of your preference.

get back – retrieve:

Informal: We need to get the data back from the backup files.
Formal: We need to retrieve the data from the backup files.

answer – respond:

Informal: Can you answer the question on the test?
Formal: Could you respond to the question on the exam?

chase – pursue:

Informal: The dog loves to chase the ball around the yard.
Formal: The dog enjoys pursuing the ball around the yard.

know – recognize:

Informal: I knew her from school.
Formal: I recognized her from school.

suggest – recommend:

Informal: I suggest we try a new restaurant for dinner.
Formal: I recommend that we consider dining at a new restaurant.

cut – reduce:

Informal: The company wants to cut its carbon footprint.
Formal: The company aims to reduce its carbon footprint.

before – prior:

Informal: Make sure to send the report before the meeting.
Formal: You must submit the report prior to the meeting.

say no – refuse:

Informal: I had to say no to their invitation.
Formal: I had to refuse their invitation.

live – reside:

Informal: I live in a small apartment downtown.
Formal: I reside in a modest apartment in the city center.

fix – resolve:

Informal: The team is working to fix the issue with the software.
Formal: The team is working to resolve the issue with the software.

show – reveal:

Informal: The investigation will show what caused the problem.
Formal: “The investigation will reveal the underlying cause of the issue.

split – separate:

Informal: Let’s split the bill among us.
Formal: We should separate the bill equally among us.

disagree – contradict:

Informal: I disagree with your opinion on this issue.
Formal: My decision contradict your opinion on this issue.

allow – authorize:

Informal: The manager will allow for the expense report after looking it over.
Formal: The manager will authorize the expense report after review.

match – correspond:

Formal: The documents should correspond with the details provided in the report.
Informal: The documents need to match with what’s in the report.

decide -determine:

Informal: We need to decide the best way to handle the project.
Formal: We need to determine the best course of action for the project.

tell apart – differentiate:

Informal: It’s hard to tell the twins apart.
Formal: It is challenging to differentiate between the twins.

spread – disseminate:

Informal: The organization wants to spread the research results out to everyone.
Formal: The organization aims to disseminate research findings to the public.

meet – encounter:

Informal: We met with a problem during the project.
Formal: We had an unexpected encounter with a problem during the project.

guess – estimate:

Informal: Please guess the cost of the repairs before we proceed
Formal: Please estimate the cost of the repairs before we proceed.

go over – exceed:

Informal: The project’s final cost went over our budget.
Formal: The final cost of the project exceeded our initial budget.

speed up – expedite:

Informal: We will speed up your application.
Formal: We will expedite the processing of your application.

focus – concentrate:

Informal: You need to focus on the task to get it right.
Formal: You must concentrate on the task to ensure accuracy.

make – generate:

Informal: The software will make a report from the data you enter.
Formal: The software will generate a report based on the input data.

affect – influence:

Informal: Her choice will affect what happens with the project.
Formal: Her decision will influence the outcome of the project.

stop – inhibit:

Informal: The new rule might stop creativity among employees.
Formal: The new policy may inhibit employee creativity.

ban – prohibit:

Informal: They’ve banned smoking in all public places.
Formal: Smoking has been prohibited in all public areas.

control – regulate:

Informal: The government controls how hazardous materials are used in businesses.
Formal: The government regulates the use of hazardous substances in industry.

turn down – reject:

Informal: The committee turned down the proposal because it wasn’t practical.
Formal: The committee decided to reject the proposal due to its lack of feasibility.

switch – substitute:

Informal: Please switch the missing ingredient with a suitable alternative.
Formal: Please substitute the missing ingredient with a suitable alternative.

do – accomplish:

Informal: We hope to do all the project by the end of the quarter.
Formal: We aim to accomplish all project goals by the end of the quarter.

think – conceive:

Informal: She needs to think of a suitable plan to make things run better.
Formal: She managed to conceive a brilliant plan to improve efficiency.

scatter – disperse:

Informal: The wind scattered the leaves all over the yard.
Formal: The wind dispersed the leaves throughout the yard.

explain – elucidate:

Informal: The professor explained the concept clearly.
Formal: The professor elucidated the concept clearly.

cause – engender:

Informal: His way of leading caused the employees to feel loyal.
Formal: His leadership style engendered a sense of loyalty among the employees.

predict – foresee:

Informal: She could predict the problems coming up.
Formal: She could foresee the challenges that lay ahead.

hint – imply:

Informal: What she said hinted that she wasn’t happy.
Formal: Her statement seemed to imply that she was dissatisfied.

repeat – reiterate:

Informal: He repeated his promise to stick with the project during the meeting.
Formal: He reiterated his commitment to the project during the meeting.

show – depict:

Informal: The painting shows a calm countryside scene.
Formal: The painting depicts a serene landscape.

list – enumerate:

Informal: Can you list the main things we talked about in the meeting?
Formal: Please enumerate the key points discussed in the meeting.

name – designate:

Informal: The committee will name an official spokesperson for the event.
Formal: The committee will designate an official spokesperson for the event.

do – fulfill:

Informal: The organization strives to do its mission of providing quality education to all.
Formal: The organization strives to fulfill its mission of providing quality education to all.

see – discern:

Informal: It’s hard to see what he’s trying to say with all the noise.
Formal: It’s hard to discern what he’s trying to say with all the noise.

leave out – exclude:

Informal: The guidelines specify that certain items must be left out from the final report.
Formal: The guidelines specify that certain items must be excluded from the final report.

okay – acceptable:

Informal: The quality of the work was okay for the project’s standards.
Formal: The quality of the work was considered acceptable for the project’s standards.

urge – encourage:

Informal: The organization wants to urge everyone to take advantage of training and development opportunities.
Formal: The organization encourages employees to pursue professional development opportunities.

right away – promptly:

Informal: Get the report right away so they can check it out on time.
Formal: The report should be submitted promptly to ensure it is reviewed on time.

expect – anticipate:

Informal: We expect to complete the project by the end of the quarter, based on how things are going.
Formal: We anticipate that the project will be completed by the end of the quarter, given the current progress.

fight – combat:

Informal: They’re putting new plans in place to fight the increasing crime.
Formal: The government has introduced new measures to combat the rise in crime rates.

make up – fabricate:

Informal: It turns out the company had made up the data to trick everyone.
Formal: The report revealed that the company had fabricated data to mislead stakeholders.

young – youthful:

Informal: The new product has a young look that attracts younger people.
Formal: The design of the new product appeals to a youthful demographic.

free – liberate:

Informal: They want to free communities from the barriers that keep them from getting a good education.
Formal: The goal of the initiative is to liberate communities from systemic barriers to education.

funny – amusing:

Informal: The presentation was a hit; everyone thought the speaker’s stories were really funny.
Formal: The presentation was well-received, with many finding the speaker’s anecdotes particularly amusing.

choice – option:

Informal: There are a few choices you can pick from to solve the problem, each with its pros and cons.
Formal: Several viable options are available for addressing the issue, each with its own set of benefits and drawbacks.

enough – sufficient:

Informal: We have enough money to pay for the project.
Formal: The funds provided are sufficient to cover the project’s expenses.

later – subsequently:

Informal: They finished the project on time and later presented the results to the board.
Formal: The project was completed on time, and the results were subsequently presented to the board.

quickly – expeditiously:

Informal: The company wants to handle customer questions quickly to keep everyone happy.
Formal: The company is committed to resolving customer inquiries expeditiously to ensure satisfaction.

from now on – henceforth:

Informal: The new policy starts from now on, so everyone needs to follow it.
Formal: The new policy will be revised, so henceforth, all employees are expected to comply.

stop – desist:

Informal: The court told them to stop from doing the things that were causing the problems.
Formal: The court issued an order for the defendant to desist from engaging in the disputed activities.

go beyond – exceed:

Informal: The team’s performance went beyond all expectations and set a new standard for future work.
Formal: The team’s performance managed to exceed all initial expectations, setting a new standard for future projects.

break down – collapse:

Informal: The building was unsafe and broke down when too much weight was added.
Formal: The structure was deemed unsafe and subsequently collapsed under the stress of additional weight.

car – vehicle:

Informal: They gave the car a thorough check to make sure it was up to safety standards before selling it.
Formal: The vehicle was subjected to a rigorous inspection to verify compliance with safety regulations prior to sale.

hardworking – diligent:

Informal: The boss complimented the hardworking team for always putting in their best.
Formal: The manager praised the diligent employees for their dedication and consistent effort.

fast – rapid:

Informal: The fast growth of the company meant they had to hire more people quickly.
Formal: The rapid expansion of the organization necessitated the hiring of additional staff.

easy – effortless:

Informal: They made the instructions easy so everyone can follow them.
Formal: The instructions were designed to make the process effortless for all users to follow.

like – prefer:

Informal: Most people like the new features in the software update because they work better.
Formal: Many clients prefer the new features of the updated software due to their enhanced functionality.

rude – impolite:

Informal: The boss talked about how rude the employee was during the meeting.
Formal: The manager discussed the employee’s impolite conduct during the meeting.

eat – consume:

Informal: You need to eat a balanced diet to keep healthy.
Formal: It is important to consume a balanced diet to maintain good health.

140 daily used formal and informal English vocabulary words

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