- require
- I(Roget's IV) v.1. [To need]Syn. want, lack, feel the necessity for, have need for; see need .2. [To insist upon]Syn. demand, oblige, necessitate, obligate, claim, exact, requisition, command, order, dictate, challenge, expect, compel, entail, look for, push for, assert oneself, call for, take no denial; see also ask 1 .Syn.- require suggests a pressing need, often one inherent in the nature of a thing, or the binding power of rules or laws [ voters are required to register ] ; demand implies a calling for as due or necessary, connoting a peremptory exercise of authority or an imperative need [ to demand obedience ] ; claim implies an assertion of one's right to possess something [ to claim a throne ] ; exact implies a demanding and the enforcing of the demand at the same time [ to exact a promise of help from her friends, to exact payment by the end of the week ] See also Synonym Study at lack .II(Roget's 3 Superthesaurus) v.1. need want, lack, miss, be short of, be deficient in, desire.2. demand order, command, obligate, call for, insist on, compel, direct, dictate.III(Roget's Thesaurus II) verb 1. To have as a need or prerequisite: ask, call for, demand, entail, involve, necessitate, take. See NECESSARY, OVER. 2. To be without what is needed, required, or essential: lack, need, want. See OWNED. 3. To ask for urgently or insistently: call for, claim, demand, exact, insist on (or upon), requisition. Idiom: cry out for. See REQUEST. 4. To oblige to do or not do by force of authority, propriety, or custom: expect, suppose. See OBLIGATION.
English dictionary for students. 2013.