Fiendish Meaning
/ˈfiːndɪʃ/Definition, CEFR level C1, pronunciation, examples, and quiz.
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Definition
adjSinister; evil; like a fiend.
adjVery difficult.
Sentence Examples
Tom is acting fiendish.
He's feeling rather fiendish.
I have come to warn you of a fiendish plot.
CEFR Practice Quiz
The villain devised a truly ____ plan to steal the museum's priceless diamond collection.
CEFR Practice Quiz (Alternate)
The puzzle was ____, taking several hours of intense concentration to finally find the solution.
Word Origin & History
Etymology tree English fiend Proto-Indo-European *-iskos Proto-Germanic *-iskaz Proto-West Germanic *-isk Old English -isċ Middle English -ish English -ish English fiendish From fiend + -ish.
Explore More C1 Vocabulary Words
CEFR Practice Quiz
The villain devised a truly ____ plan to steal the museum's priceless diamond collection.
CEFR Practice Quiz (Alternate)
The puzzle was ____, taking several hours of intense concentration to finally find the solution.