Thesaurus

fiendish

adjective

Synonyms & Antonyms of fiendish

1 of, relating to, or worthy of an evil spirit
  • a fiendish delight in playing cruel tricks

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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

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The first known use of fiendish was in 1529

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Thesaurus Entries Near fiendish

fiend

fiendish

fiendishly

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Cite this Entry

“Fiendish.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fiendish. Accessed 20 Oct. 2021.

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Nglish: Translation of fiendish for Spanish Speakers

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