/ Dictionary / Index F flabby: Meaning and Definition of Find definitions for: flab•by Pronunciation: (flab'ē), [key] — -bi•er, -bi•est. hanging loosely or limply, as flesh or muscles; flaccid. having such flesh. lacking strength or determination. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flabby (Thesaurus) flabbergast flabellate Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language