nefarious

About 0.42 uses per million words.

Meaning

1. adjective Sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics.

   Aliens have a nefarious connotation in many science fiction books.

Similar words

villainous wicked wickedness evil malignant infamous malicious sinister iniquitous notorious

Often followed by

activities practices purposes traffic designs and business schemes scheme work

Word family

nefariously