/ Dictionary / Index O oversensitive: Meaning and Definition of Find definitions for: o•ver•sen•si•tive Pronunciation: (ō'vur-sen'si-tiv), [key] — adj. excessively or unduly sensitive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oversensitive (Thesaurus) oversell overset 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