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Definitions

require

[ri-kwahyuhr] / rɪˈkwaɪər /
VERB
need, want
Synonyms
STRONGEST
lack
STRONG
crave desire miss wish
WEAK
depend upon feel necessity for have need hurting for stand in need
Antonyms
STRONG
dislike hate not want
WEAK
have
VERB
ask, demand; necessitate
Synonyms
STRONGEST
call for cause compel demand expect instruct involve obligate oblige order request take
STRONG
beg beseech bid challenge claim command constrain crave direct enjoin entail exact postulate requisition solicit
WEAK
assert oneself call upon insist upon look for push for
Antonyms
STRONGEST
disallow give let off offer reply stop
STRONG
answer
WEAK
dislike have not want

Usage

What are other ways to say require? The verb require, which expresses necessity, occurs most frequently in serious or formal contexts: Your presence at the hearing is required. Successful experimentation requires careful attention to detail. Lack means to be without or to have less than a desirable quantity of something: to lack courage, sufficient money, enough members to make a quorum. Need often suggests urgency, stressing the necessity of supplying what is lacking: to need an operation, better food, a match to light the fire.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Data centers, which power AI systems, require extensive cooling infrastructure, driving additional need for technicians.

From MarketWatch • Apr. 28, 2026

The experts warn that many of the manifesto pledges by the parties will be likely to require tax rises or cuts to public services.

From BBC • Apr. 28, 2026

The plane maker advised carriers in a 2011 letter of at least four examples of the component cracks but didn’t require the operators to replace them.

From The Wall Street Journal • Apr. 28, 2026

The settlement required Sun’s firm to pay a meager penalty of $10 million but didn’t require an admission of wrongdoing.

From Los Angeles Times • Apr. 28, 2026

The potential market was big—worldwide, as many as 750,000 people suffered from MDR, and treating all of them would require a significant quantity of drugs, because treatment lasted so long.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French

Vocabulary lists containing require

Jim Burke's Academic Vocabulary List

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Academic Vocabulary Toolkit 1, Words 81-90

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Quartering Act (1765)

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