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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.

At present, matching a background requires manual tuning of water and solvent levels.

From Science Daily

"Maintaining a healthy diet in today's food environment requires constant effort and self-control," said lead author Charlotte Hagerman, PhD, of the Oregon Research Institute.

From Science Daily

While this was a major step forward, making the system useful for precise measurements required solving a major challenge shared by all lasers: noise.

From Science Daily

Their genomes are often up to twice the size of the human genome, which requires advanced technology and significant computing power to analyze.

From Science Daily

Mitochondria act as the cell's energy generators, and when they do not function properly, tissues that require high energy, such as the brain, are damaged.

From Science Daily

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.