/ Dictionary / Index C combinative: Meaning and Definition of Find definitions for: com•bi•na•tive Pronunciation: (kom'bu-nā"tiv, kum-bī'nu-), [key] — adj. tending or serving to combine. of, pertaining to, or resulting from combination. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: combinative (Thesaurus) combination square combinatorial Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language