Roget's Thesaurus

#630. Requirement

Nouns

requirement, need, wants, necessities; necessaries, necessaries of life; stress, exigency, pinch, sine qua non, matter of necessity; case of need, case of life or death. needfulness, essentiality, necessity, indispensability, urgency. requisition etc. (request) 765, (exaction) 741; run upon; demand, call for. charge, claim, command, injunction, mandate, order, precept. desideratum etc. (desire) 865; want etc. (deficiency) 640.

Verbs

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 etc. (ask for) 765, (demand) 741. stand in need of; lack etc. 640; desiderate; desire etc. 865; be necessary etc. Adj.

Adjectives

required etc. v.; requisite, needful, necessary, imperative, essential, indispensable, prerequisite; called for; in demand, in request. urgent, exigent, pressing, instant, crying, absorbing. in want of; destitute of etc. 640.

Adverbs

ex necessitate rei [Lat.] etc. (necessarily) 601; of necessity.

Phrases

there is no time to lose; it cannot be spared, it cannot be dispensed with; mendacem memorem esse oportet [Lat.] [Quintilian]; necessitas non habet legem [Lat.]; nec tecum possum trivere nec sine te [Lat.] [Martial].