Meaning of “sufficient” in the English Dictionary

"sufficient" in British English

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sufficientadjective

uk /səˈfɪʃ.ənt/ us /səˈfɪʃ.ənt/

B2 enough for a particular purpose:

This recipe should be sufficient for five people.
It was thought that he'd committed the crime but there wasn't sufficient evidence to convict him.
Opposite
have had sufficient UK formal

to have eaten enough:

"Would you like some more stew?" "No thanks, I've had sufficient."

More examples

  • Will a loan of $500 be sufficient?
  • Did you have sufficient time to do the work?
  • I hope we have sufficient people to do the job.
  • If I buy two pounds of fish that should be sufficient for four people.
  • I'm not convinced we have sufficient funds to do this project.
sufficiently
adverb uk /səˈfɪʃ.ənt.li/ us /səˈfɪʃ.ənt.li/

Examples

  • I was sufficiently close to hear what they were saying.
  • By this time she was sufficiently recovered to be back at work.
  • I am not confident that the measures in place are sufficiently rigorous.
  • It is thought that the feed was not exposed to sufficiently high temperatures to rid it of infection.
  • I'm not sufficiently versed in computers to understand what you're saying.

C1

McGeechan has not recovered sufficiently to play in the semifinal tomorrow.
The case was sufficiently serious to warrant investigation by the police.

(Definition of “sufficient” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"sufficient" in American English

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sufficientadjective [ not gradable ]

us /səˈfɪʃ·ənt/

enough for a particular purpose:

[ + to infinitive ] The company did not have sufficient funds to pay for the goods it had received.
sufficiently
adverb [ not gradable ] us /səˈfɪʃ·ənt·li/

[ + to infinitive ] Kulkowski hopes to have recovered sufficiently from his knee injury to play in the semifinals next week.

(Definition of “sufficient” from the Cambridge Academic Content Dictionary © Cambridge University Press)