n.1. a. A fixed, intense dislike; repugnance: formed an aversion to crowds.
b. The cause or object of such a feeling: "I jumped up, and ran out of the room ... because a newspaper writer is my aversion" (Fanny Kemble).
2. The avoidance of a thing, situation, or behavior because it has been associated with an unpleasant or painful stimulus.
3. The act or fact of averting: the aversion of a disaster.