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require

[ri-kwahyuh r] /rɪˈkwaɪər/
verb (used with object), required, requiring.
1.
to have need of; need:
He requires medical care.
2.
to call on authoritatively; order or enjoin to do something:
to require an agent to account for money spent.
3.
to ask for authoritatively or imperatively; demand.
4.
to impose need or occasion for; make necessary or indispensable:
The work required infinite patience.
5.
to call for or exact as obligatory; ordain:
The law requires annual income-tax returns.
6.
to place under an obligation or necessity:
The situation requires me to take immediate action.
7.
Chiefly British. to desire; wish to have:
Will you require tea at four o'clock?
verb (used without object), required, requiring.
8.
to demand; impose obligation:
to do as the law requires.
Origin
1300-1350
1300-50; Middle English requiren < Latin requīrere, equivalent to re- re- + -quīrere, combining form of quaerere to seek, search for (cf. quest)
Related forms
requirable, adjective
requirer, noun
nonrequirable, adjective
prerequire, verb (used with object), prerequired, prerequiring.
quasi-required, adjective
unrequired, adjective
Synonyms
1. See lack. 3. See demand. 6. obligate, necessitate.
Antonyms
3. forgo.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for requires
  • Understanding how this makes any sense, though, requires a bit more explanation.
  • Understanding the significance of the newly-described dinosaur requires a little background information.
  • Excelling at any sport requires physical and mental discipline.
  • Certainly, proper historic interpretation requires a multi-disciplinary approach.
  • Under discussion will be anything that requires the spending of our tax dollars.
  • Scientists have long known that recording a memory requires adjusting the connections between neurons.
  • To have a decent standard of living requires energy.
  • The origin of the phrase requires a certain amount of explanation without which it could not have been initially understood.
  • The standard method currently requires several pinpricks a day to obtain small blood samples for testing.
  • The second is the measurement of the weathering of marble and other gravestones, which requires a micrometer.
British Dictionary definitions for requires

require

/rɪˈkwaɪə/
verb (mainly transitive; may take a clause as object or an infinitive)
1.
to have need of; depend upon; want
2.
to impose as a necessity; make necessary: this work requires precision
3.
(also intransitive) to make formal request (for); insist upon or demand, esp as an obligation
4.
to call upon or oblige (a person) authoritatively; order or command: to require someone to account for his actions
Derived Forms
requirable, adjective
requirer, noun
Usage note
The use of require to as in I require to see the manager or you require to complete a special form is thought by many people to be incorrect: I need to see the manager; you are required to complete a special form
Word Origin
C14: from Old French requerre, from Vulgar Latin requaerere (unattested) to seek after, from Latin requīrere to seek to know, but also influenced by quaerere to seek
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for requires

require

v.

late 14c., "to ask a question, inquire," from Old French requerre "seek, procure; beg, ask, petition; demand," from Vulgar Latin *requaerere, from Latin requirere "seek to know, ask," from re-, here perhaps meaning "repeatedly" (see re-), + quaerere "ask, seek" (see query (v.)).

The original sense of this word has been taken over by request (v.). Sense of "demand (someone) to do (something)" is from 1751, via the notion of "to ask for imperatively, or as a right" (late 14c.). Related: Required; requiring.

Online Etymology Dictionary, © 2010 Douglas Harper
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