/ Dictionary / Index H high treason: Meaning and Definition of Find definitions for: high' trea'son Pronunciation: [key] treason against the sovereign or state. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. high top highty-tighty Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language