adj., n., adv., & int.
--adj. as much or as many as required (we have enough apples; we do not have enough sugar; earned enough money to buy a house).
--n. an amount or quantity that is enough (we have enough of everything now; enough is as good as a feast).
--adv.
1. to the required degree, adequately (are you warm enough?).
2 fairly (she sings well enough).
3 very, quite (you know well enough what I mean; oddly enough).
--int. that is enough (in various senses, esp. to put an end to an action, thing said, etc.).
Phrases and idioms:
have had enough of want no more of; be satiated with or tired of.
Etymology: OE genog f. Gmc