1
: perversely diabolical
took a fiendish pleasure in hurting people
2
: extremely cruel or wicked
3
: excessively bad, unpleasant, or difficult
fiendish weather
fiendishly
adverb
fiendishness
noun
Synonyms
Examples of fiendish in a Sentence
He takes a fiendish delight in hurting people.
a fiendish delight in playing cruel tricks
Recent Examples on the Web
Fortnum & Mason Piccadilly puzzle Wentworth makes some of the world’s most fiendish jigsaw puzzles.
—
Sarah Turner, Forbes, 1 Dec. 2024
However, Laszlo has since channeled his daddy issues into consensual spanking sessions with Nadja and is able to overcome his need to maintain appearances and foil Daddy’s fiendish plan to take over his body and experience physical release for the first time in centuries.
—Katie Rife, Vulture, 12 Nov. 2024
However, when one of their father's patients (David Dastmalchian) transmits a fiendish entity into their home, the fractured family must come together to survive.
—Lia Beck, People.com, 25 Oct. 2024
Mason Alexander Park brings a David Bowie-ish quality to St. Jimmy, Johnny’s fiendish drug dealer.
—Charles McNulty, Los Angeles Times, 11 Oct. 2024
See all Example Sentences for fiendish 
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Sarah Turner, Forbes, 1 Dec. 2024
However, Laszlo has since channeled his daddy issues into consensual spanking sessions with Nadja and is able to overcome his need to maintain appearances and foil Daddy’s fiendish plan to take over his body and experience physical release for the first time in centuries.
—Katie Rife, Vulture, 12 Nov. 2024
However, when one of their father's patients (David Dastmalchian) transmits a fiendish entity into their home, the fractured family must come together to survive.
—Lia Beck, People.com, 25 Oct. 2024
Mason Alexander Park brings a David Bowie-ish quality to St. Jimmy, Johnny’s fiendish drug dealer.
—Charles McNulty, Los Angeles Times, 11 Oct. 2024
See all Example Sentences for fiendish
Dictionary Entries Near fiendish
Cite this Entry
“Fiendish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fiendish. Accessed 22 Dec. 2024.
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