/ Dictionary / Index H highjack: Meaning and Definition of Find definitions for: high•jack Pronunciation: (hī'jak"), [key] — v.t., v.i., n. hijack. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: highjack (Thesaurus) high hurdles highjacker Related Content Daily Word Quiz: voracious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language