/ Dictionary / Index C counterspy: Meaning and Definition of Find definitions for: coun•ter•spy Pronunciation: (koun'tur-spī"), [key] — pl. -spies. a spy active in counterespionage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: counterspy (Thesaurus) countersink counterstain Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language