Require

• POS: Verb (usu participle)
• HYPHEN: re=quire

CIDE DICTIONARY

Require, v. t. [OE. requeren, requiren, OF. requerre, F. requrir; L. pref. re- re- + quaerere to ask; cf. L. requirere. See Query, and cf. Request, Requisite.].

•  To demand; to insist upon having; to claim as by right and authority; to exact; as, to require the surrender of property.  [1913 Webster]

  "Shall I say to Cæsar
  What you require of him?"  [1913 Webster]

  "By nature did what was by law required."  [1913 Webster]
•  To demand or exact as indispensable; to need.  [1913 Webster]

  "Just gave what life required, and gave no more."  [1913 Webster]

  "The two last [biographies] require to be particularly noticed."  [1913 Webster]
•  To ask as a favor; to request.  [1913 Webster]

  "I was ashamed to require of the king a band of soldiers and horsemen to help us against the enemy in the way."  [1913 Webster]

Syn. -- To claim; exact; enjoin; prescribe; direct; order; demand; need.

OXFORD DICTIONARY

Require, v.tr.
1 need; depend on for success or fulfilment (the work requires much patience).
2 lay down as an imperative (did all that was required by law).
3 command; instruct (a person etc.).
4 order; insist on (an action or measure).
5 (often foll. by of, from, or that + clause) demand (of or from a person) as a right.
6 wish to have (is there anything else you require?).

Derivative

requirer n. requirement n.

Etymology

ME f. OF requere ult. f. L requirere (as RE-, quaerere seek)

THESAURUS

Require

affect, appoint, ask, ask for, assess, assume, authorize, be hurting for, be indicated, bind, blackmail, bring, brook no denial, call, call for, challenge, charge, charge for, claim, clamor for, coerce, command, commit, comprise, contain, crave, cry for, cry out for, demand, desire, dictate, entail, exact, extort, force, have occasion for, implicate, imply, impose, indent, insist, instruct, involve, issue an ultimatum, lack, lay down, lead to, leave no option, levy, make, make a demand, make dutiable, make imperative, make incumbent, make obligatory, miss, necessitate, need, obligate, oblige, order, order up, place an order, pledge, postulate, prerequire, prescribe, presume, presuppose, pro rata, prorate, put in requisition, requisition, run short of, saddle with, screw, set, solicit, stick for, subsume, take, take doing, take in, take no denial, tax, tie, tithe, want, want doing, warn

ROGET THESAURUS

Require

Requirement

VB require, need, want, have occasion for, not be able to do without, not be able to dispense with, prerequire, render necessary, necessitate, create a, necessity for, call for, put in requisition, make a requisition, stand in need of, lack, desiderate, desire, be necessary Adj.

Insufficiency

VB be insufficient, not suffice, come short of, run dry, want, lack, need, require, caret, be in want, live from hand to mouth, render insufficient Adj, drain of resources, impoverish, stint, put on short allowance, do insufficiently, scotch the snake.

Compulsion

VB compel, force, make, drive, coerce, constrain, enforce, necessitate, oblige, force upon, press, cram down the throat, thrust down the throat, force down the throat, say it must be done, make a point of, insist upon, take no denial, put down, dragoon, extort, wring from, squeeze, put on the squeeze, put on the screws, turn on the screw, drag into, bind, bind over, pin down, tie down, require, tax, put in force, commandeer, restrain.

Price

VB bear a price, set a price, fix a price, appraise, assess, doom, price, charge, demand, ask, require, exact, run up, distrain, run up a bill, have one's price, liquidate, amount to, come to, mount up to, stand one in, fetch, sell for, cost, bring in, yield, afford.

Dueness

VB be due, to, be the due, of, have right to, have title to, have claim to, be entitled to, have a claim upon, belong to, deserve, merit, be worthy of, richly deserve, demand, claim, call upon for, come upon for, appeal to for, revendicate, reclaim, exact, insist on, insist upon, challenge, take one's stand, make a point of, require, lay claim to, assert, assume, arrogate, make good, substantiate, vindicate a claim, vindicate a right, fit for, qualify for, make out a case, give a right, confer a right, entitle, authorize, sanctify, legalize, ordain, prescribe, allot, give every one his due, pay one's dues, have one's due, have one's rights, use a right, assert, enforce, put in force, lay under contribution.

Duty

VB be the duty of, be incumbent, on, be responsible, behoove, become, befit, beseem, belong to, pertain to, fall to one's lot, devolve on, lie upon, lie on one's head, lie at one's door, rest with, rest on the shoulders of, take upon oneself, be bound to, become bound to, be sponsor for, become sponsor for, incur a responsibility, be under an obligation, stand under an obligation, lie under an obligation, have to answer for, owe to it oneself, impose a duty enjoin, require, exact, bind, bind over, saddle with, prescribe, assign, call upon, look to, oblige, enter upon a duty, perform a duty, observe a duty, fulfill a duty, discharge a duty, adhere to a duty, acquit oneself of a duty, satisfy a duty, enter upon an obligation, perform an obligation, observe an obligation, fulfill an obligation, discharge an obligation, adhere to an obligation, acquit oneself of an obligation, satisfy an obligation, act one's part, redeem one's pledge, do justice to, be at one's post, do duty, do one's duty, be on one's good behavior, mind one's P's and Q's.