Definition of require in English:

Share this entry


Pronunciation: /rəˈkwī(ə)r/


[with object]
1Need for a particular purpose: three patients required operations please indicate how many tickets you require
More example sentences
  • Maintaining clarity of thought and affirmation of purpose required constant effort.
  • Lawlor and his colleagues are regularly faced with patients who require operations to correct the operations they have already had.
  • I have known patients require stitches and even surgery for injuries inflicted.
need, be in need of
essential, vital, indispensable, necessary, compulsory, obligatory, mandatory, prescribed
informal must-have
desired, preferred, chosen;
correct, proper, right
1.1Cause to be necessary: it would have required much research to produce a comprehensive list
More example sentences
  • Teenagers are not overwhelmed by the recent increase in the number of soldiers who have been wounded or killed, since they believe that this war is necessary and requires their contribution.
  • There is a field, namely, the handling of the apparatus of government, in which bureaucratic methods are required by necessity.
  • Less than a year ago my research would have required a laborious and tedious consultation of the multiple microfilm editions of Knox's works owned by my library.
necessitate, demand, call for, involve, entail
1.2Specify as compulsory: the minimum car insurance required by law
More example sentences
  • New Jersey law requires that insurance companies take all comers, even those with the worst driving records.
  • It's also worth getting hold of a ‘green card’, which amounts to evidence that you have the minimum insurance required by the country your visiting.
  • In Switzerland and the Netherlands, insurers are required by law to provide a 4% minimum annual return.
1.3 [with object and infinitive] (Of someone in authority) instruct or expect (someone) to do something: you will be required to attend for cross-examination
More example sentences
  • More often, though, insurers impede care by requiring doctors to get authorization for all tests and procedures or by threatening to drop doctors whose costs they deem excessive.
  • The instrument requires the user to ask a basic question: What is the function/purpose of this scene for the telling of the story?
  • Find out if the company of your dreams requires dancers to attend its school for a year or two before being offered a position.
order, instruct, command, enjoin, oblige, compel, force
1.4 (require something of) Regard an action, ability, or quality as due from (someone) by virtue of their position: the care and diligence required of him as a trustee
More example sentences
  • And the struggle we are in today, against terrorist enemies intending violence on a massive scale, requires the same qualities of leadership that saw our nation to victory in the Cold War.
  • An abrupt reversal caught the markets off-guard, requiring an immediate liquidation of leveraged long positions.
  • The state and federal government established guidelines requiring a minimum level of quality as indicated on the certified seed tag.
demand, insist on, call for, ask for, expect



Example sentences
  • These consequences include more upfront work being necessary; a greater role for acquirers in the requirements process and a greater role for requirers in the acquisition process; and a new approach to budgeting.


Late Middle English: from Old French requere, from Latin requirere, from re- (expressing intensive force) + quaerere 'seek'.

For editors and proofreaders

Syllabification: re·quire

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.