plenty /ˈplɛnti/pronoun 1adverb 2determiner 2adjective 1noun 1forms 3 pronoun1 •more than enoughAcquire one of these and you'll have plenty of car for your money. adverb2 •(US, Canada) More than sufficiently.This office is plenty big enough for our needs. •(US, informal) Used as an intensifier, very.She was plenty mad at him. determiner2 •(informal, nonstandard) much, enoughThere'll be plenty time later for that •(informal, nonstandard) manyGet a manicure. Plenty men do it. adjective1 •(no longer used) Plentiful.if reasons were as plenty as blackberries — 1597 noun1 •A more-than-adequate amount; plenitude; a great deal.We are lucky to live in a land of peace and plenty. formsplenties · more plenty · most plenty