1. (noun)enough, sufficiency an adequate quantity; a quantity that is largeenough to achieve a purpose "enough is as good as a feast"; "there is more than a sufficiency of lawyers in this country"
2. (adj)adequate, decent, enough sufficient for the purpose "an adequate income"; "the food was adequate"; "a decent wage"; "enough food"; "food enough"
3. (adverb)enough, plenty as much as necessary "Have I eaten enough?"; (`plenty' is nonstandard) "I've had plenty, thanks"