/ Dictionary / Index F flaky: Meaning and Definition of Find definitions for: flak•y Pronunciation: (flā'kē), [key] — flak•i•er, flak•i•est. of or like flakes. lying or cleaving off in flakes or layers. eccentric; wacky; dizzy: a flaky math professor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flaky (Thesaurus) flak suit flam Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language