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fiendish
adjective /ˈfiːn.dɪʃ/Definition
› evil and cruel: a fiendish attackUnkind, cruel and unfeelingViolent or aggressiveTreating people or animals badlyInsults and abuse › clever and difficult, sometimes in a bad way: a fiendish crossword a fiendish plot/schemeComplicated and difficult to doDifficult to understand › UK old-fashioned very great: a fiendish price I'm in a fiendish hurry.Serious and unpleasantNot attractive to look atInformal words for bad fiendishness
/-nəs/ noun [U] Unkind, cruel and unfeelingViolent or aggressiveTreating people or animals badlyInsults and abuse
(Definition of fiendish adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
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Synonyms and related words:
- advanced adjective
- ambitious adjective
- arduous adjective
- as much as you can do idiom
- at a push idiom
- fiddly adjective
- fierce adjective
- formidable adjective
- get blood out of/from a stone idiom
- gruelling adjective
- obstinate adjective
- onerous adjective
- painstaking adjective
- problematic adjective
- punishing adjective
- tough adjective (DIFFICULT)
- toughen verb (GET DIFFICULT)
- tricky adjective (DIFFICULT)
- unresolved adjective
- unsolved adjective
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