Thesaurus
Synonyms & Antonyms of fiendish
1
of, relating to, or worthy of an evil spirit
- a fiendish delight in playing cruel tricks
Synonyms for fiendish
- cacodemonic,
- demoniac
- (also demoniacal),
- demonian,
- demonic
- (also demonical),
- devilish,
- diabolical
- (or diabolic),
- Luciferian,
- satanic
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Antonyms for fiendish
2
having or showing the desire to inflict severe pain and suffering on others
- shook with fiendish laughter as he watched his victims writhe in agony
Synonyms for fiendish
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Phrases Synonymous with fiendish
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Antonyms for fiendish
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Time Traveler for fiendish
The first known use of fiendish was in 1529
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