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.). have had enough of want no more of; be satiated with or tired of.
[ OE genog f. Gmc ]