/ Dictionary / Index S subtractive: Meaning and Definition of Find definitions for: sub•trac•tive Pronunciation: (sub-trak'tiv), [key] — adj. tending to subtract; having power to subtract. (of a quantity) that is to be subtracted; having the minus sign (−). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subtractive (Thesaurus) subtraction subtractive color Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language