/ Dictionary / Index I innermost: Meaning and Definition of Find definitions for: in•ner•most Pronunciation: (in'ur-mōst" or, esp. Brit., -must), [key] — adj. farthest inward; inmost. most intimate or secret: one's innermost beliefs. —n. the innermost part. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: innermost (Thesaurus) Inner Mongolia inner planet Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language