/ Dictionary / Index O overcareful: Meaning and Definition of Find definitions for: o•ver•care•ful Pronunciation: (ō'vur-kâr'ful), [key] — adj. excessively or unduly careful. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: overcareful (Thesaurus) overcapitalize overcast Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language