/ Dictionary / Index G GIGO: Meaning and Definition of Find definitions for: GIGO Pronunciation: (gī'gō), [key] — n. Computers. a rule of thumb stating that when faulty data are fed into a computer, the information that emerges will also be faulty. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gigo (Thesaurus) gig mill gigolo Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language