What is another word for fiendishly?

Need synonyms for fiendishly? Here's a list of similar words from our thesaurus that you can use instead.

Adverb
Cruelly or savagely, without mercy or remorse
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“I seem to be stuck halfway between fiendish laughter and pathetic sobbing.”
Adverb
In an infernal manner
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Adverb
Adverb for extremely awkward or complex
“The superlatively analytical Inspector Hemingway reveals his unnerving talent for solving a fiendish problem.”
Adverb
Adverb for having or showing skill in achieving one's ends by deceit or evasion
“A fiendish plan.”
Adverb
Adverb for pertaining to a corpse, though having qualities of life
Adverb
Adverb for tending to misbehave or act badly
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Adverb
Adverb for unnatural or mysterious, especially in a disturbing way
Adverb
Adverb for having enchanting qualities
Adverb
Adverb for to be continuously haunted or possessed by something, especially negative emotions, ideas or desires
Adverb
Adverb for not easy to please or satisfy
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