/ Dictionary / Index T Tiberius: Meaning and Definition of Find definitions for: Ti•be•ri•us Pronunciation: (tī-bēr'ē-us), [key] — n. 42b.c.–a.d.37, Roman emperor 14–37. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tiberius (Thesaurus) Tiberias Tibet Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language