/ Dictionary / Index A amn't: Meaning and Definition of Find definitions for: amn't Pronunciation: (ant, am'unt), [key] am not. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. amniotic fluid amobarbital Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language