
1) Abstains from eating 2) Abstains from food 3) Abstention periods 4) Abstinences 5) Admits nothing 6) Avoids eating 7) Avoids food 8) Crash diets 9) Diets drastically 10) Diets strenuously 11) Drastic diets 12) Eats little 13) Eats nothing 14) Eats very little 15) Eschews edibles 16) Eschews food 
Found on 
https://www.crosswordclues.com/clue/fasts

1) Atones 
Found on 
https://www.crosswordclues.com/clue/fasts
  No exact match found.