/ Dictionary / Index G goof-off: Meaning and Definition of Find definitions for: goof-off Pronunciation: (gf'ôf", -of"), [key] — n. Slang. a person who habitually shirks work or responsibility; idler. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: goof-off (Thesaurus) goofball goof-up Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language