/ Dictionary / Index A amain: Meaning and Definition of Find definitions for: a•main Pronunciation: (u-mān'), [key] — adv. Archaic. with full force. at full speed. suddenly; hastily. exceedingly; greatly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: amain (Thesaurus) amah amakihi Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language