Longman Dictionary of Contemporary English homepage

Date: 1300-1400
Language: Latin
Origin: , present participle of sufficere; SUFFICE

sufficient

 adjective
     
suf‧fi‧cient S2 W2 formal
as much as is needed for a particular purpose [= enough; ≠ insufficient]:
We can only prosecute if there is sufficient evidence.
Unauthorized absence is sufficient reason for dismissal.
We need sufficient time to deal with the problem.
sufficient to do something
The money is not sufficient to cover everything that needs doing.
sufficient for
The recipe is sufficient for six people.
—sufficiently adverb:
Students must reach a sufficiently high standard to pass.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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