/ Dictionary / Index O overcautious: Meaning and Definition of Find definitions for: o•ver•cau•tious Pronunciation: (ō'vur-kô'shus), [key] — adj. excessively or unnecessarily cautious: Sometimes it doesn't pay to be overcautious in business. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: overcautious (Thesaurus) overcasting overcertify Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language