Hypertext Webster Gateway: "compulsory"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Compulsory \Com*pul"so*ry\, a. [LL. compulsorius.]
1. Having the power of compulsion; constraining.
2. Obligatory; enjoined by authority; necessary; due to
compulsion.
This contribution threatening to fall infinitely
short of their hopes, they soon made it compulsory.
--Burke.
From WordNet (r) 1.7 (wn)
compulsory
adj : required by rule; "in most schools physical education are
compulsory"; "attendance is mandatory"; "required
reading" [syn: {mandatory}, {required}]
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