require
Americanverb (used with object)
-
to have need of; need.
He requires medical care.
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to call on authoritatively; order or enjoin to do something.
to require an agent to account for money spent.
-
to ask for authoritatively or imperatively; demand.
- Antonyms:
- forgo
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to impose need or occasion for; make necessary or indispensable.
The work required infinite patience.
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to call for or exact as obligatory; ordain.
The law requires annual income-tax returns.
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to place under an obligation or necessity.
The situation requires me to take immediate action.
- Synonyms:
- necessitate, obligate
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Chiefly British. to desire; wish to have.
Will you require tea at four o'clock?
verb (used without object)
verb
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to have need of; depend upon; want
-
to impose as a necessity; make necessary
this work requires precision
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(also intr) to make formal request (for); insist upon or demand, esp as an obligation
-
to call upon or oblige (a person) authoritatively; order or command
to require someone to account for his actions
Usage
What are other ways to say require? To require something is to have a need for it or to ask for it authoritatively. How does require compare to synonyms want, need, and lack? Find out on Thesaurus.com.
Related Words
See demand.
Other Word Forms
- nonrequirable adjective
- prerequire verb (used with object)
- quasi-required adjective
- requirable adjective
- requirer noun
- unrequired adjective
Etymology
Origin of require
First recorded in 1300–50; Middle English requiren, from Latin requīrere, equivalent to re- re- ( def. ) + -quīrere, combining form of quaerere “to seek, search for”; quest ( def. )
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.
In data centers, electricity is often distributed at 48 volts, while GPU processors typically require much lower voltages, usually between 1 and 5 volts.
From Science Daily • Apr. 10, 2026
Now, games appear on a host of different channels and platforms, some of which require a subscription.
From The Wall Street Journal • Apr. 9, 2026
Instead, the WGA was able to expand access to AI information and require mandatory meetings if companies that develop artificial intelligence technology hope to license writers’ work to train generative AI systems.
From Los Angeles Times • Apr. 9, 2026
Creating a more durable ceasefire will require some kind of agreement to at least keep talking about the two sides' contradictory lists of intractable issues.
From BBC • Apr. 9, 2026
If there are pets that require care, that’s another five dollars per hour.
From "South of Somewhere" by Kalena Miller
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
