/ Dictionary / Index O oops: Meaning and Definition of Find definitions for: oops Pronunciation: (oops, ps), [key] — interj. (used to express mild dismay, chagrin, surprise, etc., as at one's own mistake, a clumsy act, or social blunder.) Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oophyte Oort cloud Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language