/ Dictionary / Index T trepidation: Meaning and Definition of Find definitions for: trep•i•da•tion Pronunciation: (trep"i-dā'shun), [key] — n. tremulous fear, alarm, or agitation; perturbation. trembling or quivering movement; tremor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trepidation (Thesaurus) trepidant treponema Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language