adequate for the purpose; enough: sufficient proof; sufficient protection.
Logic. (of a condition) such that its existence leads to the occurrence of a given event or the existence of a given thing.Compare necessary(def 4c).
Archaic. competent.

Origin of sufficient

1350–1400; Middle English < Latin sufficient- (stem of sufficiēns), present participle of sufficere to suffice, equivalent to suf- suf- + -fici-, present stem of -ficere, combining form of facere to make, do1 + -ent- -ent
Related formssuf·fi·cient·ly, adverbo·ver·suf·fi·cient, adjectiveo·ver·suf·fi·cient·ly, adverbpre·suf·fi·cient, adjectivepre·suf·fi·cient·ly, adverbqua·si-suf·fi·cient, adjectivequa·si-suf·fi·cient·ly, adverbsu·per·suf·fi·cient, adjectivesu·per·suf·fi·cient·ly, adverb

Antonyms for sufficient Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for sufficiently

amply, adequately, abundantly, enough

Examples from the Web for sufficiently

Contemporary Examples of sufficiently

Historical Examples of sufficiently

British Dictionary definitions for sufficiently



enough to meet a need or purpose; adequate
logic (of a condition) assuring the truth of a statement; requiring but not necessarily required by some other state of affairsCompare necessary (def. 3e)
archaic competent; capable


a sufficient quantity
Derived Formssufficiently, adverb

Word Origin for sufficient

C14: from Latin sufficiens supplying the needs of, from sufficere to suffice
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sufficiently

late 14c., from sufficient + -ly (2).



early 14c., from Old French sufficient, from Latin sufficiens, present participle of sufficere (see suffice).

Online Etymology Dictionary, © 2010 Douglas Harper