/ Dictionary / Index P proactive: Meaning and Definition of Find definitions for: pro•ac•tive Pronunciation: (prō-ak'tiv), [key] — adj. serving to prepare for, intervene in, or control an expected occurrence or situation, esp. a negative or difficult one; anticipatory: proactive measures against crime. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: proactive (Thesaurus) proabortion proagon* Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language