Noah Webster's New International Dictionary of the English Language

1. (a.) Satisfying desire; giving content; adequate to meet the want; sufficient; -- usually, and more elegantly, following the noun to which it belongs.

2. (adv.) In a degree or quantity that satisfies; to satisfaction; sufficiently.

3. (adv.) Fully; quite; -- used to express slight augmentation of the positive degree, and sometimes equivalent to very; as, he is ready enough to embrace the offer.

4. (adv.) In a tolerable degree; -- used to express mere acceptableness or acquiescence, and implying a degree or quantity rather less than is desired; as, the song was well enough.

5. (n.) A sufficiency; a quantity which satisfies desire, is adequate to the want, or is equal to the power or ability; as, he had enough to do take care of himself.

6. (interj.) An exclamation denoting sufficiency, being a shortened form of it is enough.