/ Dictionary / Index G GHQ: Meaning and Definition of Find definitions for: GHQ Pronunciation: [key] — Mil. Mil. general headquarters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ghq (Thesaurus) ghoulish GHz Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language