/ Dictionary / Index R rearmost: Meaning and Definition of Find definitions for: rear•most Pronunciation: (rēr'mōst"), [key] — adj. farthest in the rear; last. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rearmost (Thesaurus) rearm rear projection Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language