/ Dictionary / Index R retentive: Meaning and Definition of Find definitions for: re•ten•tive Pronunciation: (ri-ten'tiv), [key] — adj. tending or serving to retain something. having power or capacity to retain. having power or ability to remember; having a good memory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: retentive (Thesaurus) retention retentivity Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language