/ Dictionary / Index T truism: Meaning and Definition of Find definitions for: tru•ism Pronunciation: (tr'iz-um), [key] — n. a self-evident, obvious truth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: truism (Thesaurus) trug Trujillo Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language