/ Dictionary / Index T tyrannous: Meaning and Definition of Find definitions for: tyr•an•nous Pronunciation: (tir'u-nus), [key] — adj. tyrannical. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tyrannous (Thesaurus) tyrannosaur tyrannulet Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language