Fiendish and Nefarious

Fiendish adjective - Of, relating to, or worthy of an evil spirit.

Nefarious is a synonym for fiendish in wicked topic. In some cases you can use "Nefarious" instead an adjective "Fiendish", when it comes to topics like diabolical, spiteful.

Nearby Words: fiend, fiendishly

Nefarious adjective - Not conforming to a high moral standard; morally unacceptable.

Fiendish is a synonym for nefarious in spiteful topic. You can use "Fiendish" instead an adjective "Nefarious".