/ Dictionary / Index W wide-open: Meaning and Definition of Find definitions for: wide-o•pen Pronunciation: (wīd'ō'pun), [key] — adj. opened to the full extent: a wide-open window. lacking laws or strict enforcement of laws concerning liquor, vice, gambling, etc.: a wide-open town. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wide-open (Thesaurus) widen wide-ranging Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language