/ Dictionary / Index F flagitious: Meaning and Definition of Find definitions for: fla•gi•tious Pronunciation: (flu-jish'us), [key] — adj. shamefully wicked, as persons, actions, or times. heinous or flagrant, as a crime; infamous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flagitious (Thesaurus) flaggy flagman Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language