nefarious
adjective /nɪˈfeəriəs/
/nɪˈferiəs/
(formal)- criminal; extremely bad
- nefarious activities
- They can hack your account and use the information for nefarious purposes.
Oxford Collocations DictionaryNefarious is used with these nouns:- scheme
Word Originearly 17th cent.: from Latin nefarius, from nefas, nefar- ‘wrong’ (from ne- ‘not’ + fas ‘divine law’) + -ous.