American English

Definition of sinful adjective from the Oxford Advanced American Dictionary

     

    sinful

     adjective
    adjective
    NAmE//ˈsɪnfl//
     
     
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  1. 1morally wrong or evil synonym immoral
  2. 2 sinful thoughts It is sinful to lie.
  3. 3(informal) It's sinful to waste good food!
NAmE//ˈsɪnfəli//
 
adverb
 
noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: sinful