/ Dictionary / Index P perfectivize: Meaning and Definition of Find definitions for: per•fec•tiv•ize Pronunciation: (pur-fek'tu-vīz"), [key] — -ized, -iz•ing. to make perfective. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. perfective perfectly Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language