/ Dictionary / Index A appetitive behavior: Meaning and Definition of Find definitions for: ap'petitive behav'ior Pronunciation: [key] — Ethology. Ethology. activity that increases the likelihood of satisfying a specific need, as restless searching for food by a hungry predator (distinguished from consummatory behavior). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. appetitive appetizer Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language