/ Dictionary / Index C cautious: Meaning and Definition of Find definitions for: cau•tious Pronunciation: (kô'shus), [key] — adj. showing, using, or characterized by caution: a cautious man; To be cautious is often to show wisdom. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cautious (Thesaurus) cautionary Cauvery Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language