/ Dictionary / Index C common sense: Meaning and Definition of Find definitions for: com'mon sense' Pronunciation: [key] sound practical judgment that is independent of specialized knowledge, training, or the like; normal native intelligence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: commonsense (Thesaurus) common sennit common-sense realism Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language