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
“The level of outside support… has not been sufficient enough for them to distance themselves from al Nusra,” Cafarella said.
ISIS Fight Has a Spy Shortage, Intel Chair Says|Kimberly Dozier|January 2, 2015|DAILY BEAST
It's probably necessary for success in the long term, but it's far, far, far from sufficient.
U.S. Hasn’t Even Started Training Rebel Army to Fight ISIS|Tim Mak|November 25, 2014|DAILY BEAST
Suspicion of exposure to Ebola, for example, is sufficient to justify mandatory isolation.
Are Mandatory Ebola Quarantines Legal?|Tim Mak|October 28, 2014|DAILY BEAST
Whitefish, Montana, where NPI is based, is apparently not sufficient.
American Racist Richard Spencer Gets to Play the Martyr in Hungary|James Kirchick|October 7, 2014|DAILY BEAST
“There was sufficient targeting information on these guys in June,” said one senior U.S. intelligence official.
Exclusive: U.S. Special Ops Readied Syria Attack in June|Eli Lake|October 2, 2014|DAILY BEAST
But now the boiler proved to be too small to furnish steam steadily in sufficient quantity to sustain the higher speed.
A History of the Growth of the Steam-Engine|Robert H. Thurston
For a creative or interpretative genius mere existence seems to be sufficient.
The Merry-Go-Round|Carl Van Vechten
A sufficient amount of mucus or fecal matter will usually be brought away by it.
A Manual of Clinical Diagnosis|James Campbell Todd
Sufficient has been said to prove the superiority of spiritual life over the whole aspects and manifestations of Nature.
An Interpretation of Rudolf Eucken's Philosophy|W. Tudor Jones
In order that sufficient instruction be furnished the Indians, five more religious are needed.
The Philippine Islands, 1493-1898, V7, 1588-1591|Emma Helen Blair
British Dictionary definitions for sufficient
sufficient
/ (səˈfɪʃənt) /
adjective
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)
archaiccompetent; capable
noun
a sufficient quantity
Derived forms of sufficient
sufficiently, adverb
Word Origin for sufficient
C14: from Latin sufficiens supplying the needs of, from sufficere to suffice