" disinclination "

1: a lack of willingness or desire to do or accept something;

  * e.g., " ... it's an understatement to say that our dog shows a disinclination to get into the car to go to the vet "

•  Synonyms : 

•  hesitance,

•  hesitancy,

•  reluctance,

•  reticence,

•  unwillingness

•  Antonyms : 

•  inclination,

•  willingness

2: a strong feeling of not liking or approving;

  * e.g., " ... a strong disinclination for Brussels sprouts since birth "

•  Synonyms : 

•  allergy,

•  averseness,

•  aversion,

•  disfavor,

•  dislike,

•  disliking,

•  disrelish,

•  down,

•  mislike

•  Antonyms : 

•  appetite,

•  favor,

•  fondness,

•  like,

•  liking,

•  partiality,

•  preference,

•  relish,

•  shine,

•  taste,

•  use