/ Dictionary / Index F fatigable: Meaning and Definition of Find definitions for: fat•i•ga•ble Pronunciation: (fat'i-gu-bul), [key] — adj. susceptible to fatigue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fatidic fatigue Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language