Nefarious is an adjective. Root word for nefarious is nevus which is a Latin word and it means crime.This word can be asked in one word substitution object questions in government competitive exams.
Meaning: if something is done, which is opposite of moral law. Like a criminal activity.
Usage of nefarious in sentence:
- There should be a strong law in constitution to deter nefarious designs that blocks nations progress and prosperity.
- Nefarious 26/11 Mumbai attack could not weaken India.
- Through nefarious deed you cannot eliminate your enemies.
Synonyms : Criminal , Vilinous , wicked and henious.