/ Dictionary / Index F flack: Meaning and Definition of Find definitions for: flack Pronunciation: (flak), [key] — n. Sometimes Disparaging. See publicity. —v.i. to serve as a press agent or publicist: to flack for a new rock group. —v.t. to promote; publicize: to flack a new record. flack Pronunciation: (flak), [key] — n. flak. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flack (Thesaurus) flaccid flackery Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language