/ Dictionary / Index F fortitudinous: Meaning and Definition of Find definitions for: for•ti•tu•di•nous Pronunciation: (fôr"ti-td'n-us, -tyd'-), [key] — adj. having or showing fortitude; marked by bravery or courage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fortitude Fort Jackson 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