/ Dictionary / Index O open-sided: Meaning and Definition of Find definitions for: o•pen-sid•ed Pronunciation: (ō'pun-sī'did), [key] — adj. having a side or sides open. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. open shop open sight Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language