/ Dictionary / Index C collude: Meaning and Definition of Find definitions for: col•lude Pronunciation: (ku-ld'), [key] — -lud•ed, -lud•ing. to act together through a secret understanding, esp. with evil or harmful intent. to conspire in a fraud. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: collude (Thesaurus) collotype collun. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language