/ Dictionary / Index C collaborationist: Meaning and Definition of Find definitions for: col•lab•o•ra•tion•ist Pronunciation: (ku-lab"u-rā'shu-nist), [key] — n. a person who collaborates with an enemy; collaborator. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: collaborationist (Thesaurus) collaboration collaborative 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