/ Dictionary / Index R redoubt: Meaning and Definition of Find definitions for: re•doubt Pronunciation: (ri-dout'), [key] — n. Fort. an isolated work forming a complete enclosure of any form, used to defend a prominent point. an independent earthwork built within a permanent fortification to reinforce it. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: redoubt (Thesaurus) redouble redoubtable Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language