/ Dictionary / Index C circumstantial: Meaning and Definition of Find definitions for: cir•cum•stan•tial Pronunciation: (sûr"kum-stan'shul), [key] — adj. of pertaining to, or derived from circumstances: a circumstantial result. of the nature of a circumstance; secondary; incidental: of circumstantial importance. dealing with or giving circumstances; detailed; particular: a circumstantial report of a business conference. pertaining to conditions of material welfare. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: circumstantial (Thesaurus) circumstanced circumstantial evidence Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language