Search Result for "required": 
Wordnet 3.0


1. necessary for relief or supply;
- Example: "provided them with all things needful"
[syn: needed, needful, required, requisite]

2. required by rule;
- Example: "in most schools physical education is compulsory"
- Example: "attendance is mandatory"
- Example: "required reading"
[syn: compulsory, mandatory, required]

The Collaborative International Dictionary of English v.0.48:

Require \Re*quire"\ (r?-kw?r"), v. t. [imp. & p. p. Required (-kw?rd"); p. pr. & vb. n. Requiring.] [OE. requeren, requiren, OF. requerre, F. requ?rir; L. pref. re- re- + quaerere to ask; cf. L. requirere. See Query, and cf. Request, Requisite.] 1. 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 Caesar What you require of him? --Shak. [1913 Webster] By nature did what was by law required. --Dryden. [1913 Webster] 2. To demand or exact as indispensable; to need. [1913 Webster] Just gave what life required, and gave no more. --Goldsmith. [1913 Webster] The two last [biographies] require to be particularly noticed. --J. A. Symonds. [1913 Webster] 3. 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. --Ezra viii. 22. [1913 Webster] Syn: To claim; exact; enjoin; prescribe; direct; order; demand; need. [1913 Webster]
WordNet (r) 3.0 (2006):

required adj 1: necessary for relief or supply; "provided them with all things needful" [syn: needed, needful, required, requisite] 2: required by rule; "in most schools physical education is compulsory"; "attendance is mandatory"; "required reading" [syn: compulsory, mandatory, required]
Moby Thesaurus II by Grady Ward, 1.0:

42 Moby Thesaurus words for "required": absolute, binding, called for, compulsatory, compulsory, conclusive, de rigueur, decisive, decretory, dictated, entailed, essential, final, hard-and-fast, imperative, imperious, imposed, indicated, indispensable, inevitable, involuntary, irreducible, irreductible, irreplaceable, irrevocable, mandated, mandatory, must, necessary, needed, needful, obligatory, peremptory, prerequisite, prescript, prescriptive, requisite, ultimate, unforgoable, vital, wanted, without appeal