consuming
adjective /kənˈsjuːmɪŋ/
  /kənˈsuːmɪŋ/
[only before noun]- (of a feeling, an interest, etc.) so strong or important that it takes up all your time and energy
- Basketball is his consuming passion.
 - They both had a consuming interest in cricket.
 
Oxford Collocations DictionaryConsuming is used with these nouns:- interest
 - passion