/ Dictionary / Index G gas-guzzler: Meaning and Definition of Find definitions for: gas-guz•zler Pronunciation: (gas'guz"lur), [key] — n. Informal. an automobile that has low fuel efficiency, getting relatively few miles per gallon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gas-guzzler (Thesaurus) gas gangrene gas-guzzler tax 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