/ Dictionary / Index A aftmost: Meaning and Definition of Find definitions for: aft•most Pronunciation: (aft'mōst", -must, äft'-), [key] — adj. Naut. aftermost (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. afteryears aftosa Related Content Daily Word Quiz: pallid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language