from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To have as a requisite; need: Most plants require sunlight.
- transitive v. To call for as obligatory or appropriate; demand. See Synonyms at demand.
- transitive v. To impose an obligation on; compel: Students are required to attend classes.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To demand; to insist upon having; to claim as by right and authority; to exact.
- transitive v. To demand or exact as indispensable; to need.
- transitive v. To ask as a favor; to request.
from The Century Dictionary and Cyclopedia
- To search for; seek.
- To ask for as a favor; request.
- To ask or claim, as of right and by authority; demand; insist on having; exact.
- To ask or order to do something; call on.
- To have need or necessity for; render necessary or indispensable; demand; need; want.
- =Syn. 2–4. Request, Beg, etc. (see ask), enjoin (upon), prescribe, direct, command.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. have need of
- v. make someone do something
- v. consider obligatory; request and expect
- v. require as useful, just, or proper
Middle English requiren, from Old French requerre, from Vulgar Latin *requaerere, alteration (influenced by quaerere, to seek) of Latin requīrere : re-, re- + quaerere, to seek.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old French requerre (French: requérir), from Vulgar Latin *requærere, from Latin requīrō ("I require, seek, ask for"). (Wiktionary)