- A desire or motive derived from a biologic or psychological need for food, water, sex, or affection; a desire or longing to satisfy any conscious physical or mental need. SYN: orexia (2). [L. ad-peto, pp. -petitus, to seek after, desire]
* * *ap·pe·tite 'ap-ə-.tīt n any of the instinctive desires necessary to keep up organic life esp the desire to eatap·pe·ti·tive -.tīt-iv adj
* * *ap·pe·tite (apґə-tīt) [L. appetere to desire] a natural longing or desire, especially the natural and recurring desire for food.
Medical dictionary. 2011.