Main Entry: aver·sion

Pronunciation: \ə-ˈvər-zhən, -shən\

Function: noun

1 : a feeling of repugnance toward something with a desire to avoid or turn from it
2 : a tendency to extinguish a behavior or to avoid a thing or situation and especially a usually pleasurable one because it is or has been associated with a noxious stimulus <conditioning of food aversions by drug injection>