/ Dictionary / Index R reopen: Meaning and Definition of Find definitions for: re•o•pen Pronunciation: (rē-ō'pun), [key] — v.t., v.i. to open again. to start again; resume: to reopen an argument; to reopen an attack. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reopen (Thesaurus) Renwick reopener Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language