Bad
Fiendish
Fiendish adjective - Of, relating to, or worthy of an evil spirit.
Bad and fiendish are semantically related. Sometimes you can use "Bad" instead an adjective "Fiendish".
Nearby Words: fiend, fiendishly
Mutual synonyms
Both words in one sentence
- I Have You Now, My Pretty: "I have you in my fiendish clutches", says the bad guy to the heroine in "Flaming Women, Shattered Hearts".
Source: Film / Exit Smiling -
Bad Moon Rising: The moon turning red with a demonic face marks the imminent resurrection of the fiendish lords of Acheron.
Source: Film / Kull the Conqueror -
MacGyver uses the trope name verbatim... In the series' first two-part episode, Mac is strapped into a fiendish torture device vaguely inspired by The Pit and the Pendulum, and told by the Big Bad that he's about to be half the man he used to be.
Source: Half the Man He Used to Be
Cite this Source
Fiendish and Bad. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/bad/fiendish
Bad & Fiendish. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/bad/fiendish>.
Fiendish or Bad. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/bad/fiendish.
Google Ngram Viewer shows how "bad" and "fiendish" have occurred on timeline