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- DictionaryFiend·ish/ˈfēndiSH/
adjective
- 1. extremely cruel or unpleasant; devilish: "shrieks of fiendish laughter"
To be fiendish is to be cruel or evil. You might choose not to watch horror films — or soap operas — if you're not a fan of seeing people do fiendish things to each other. Fiendish behavior is terrible and vicious, and fiendish people behave without kindness or conscience.
very difficult or complicated: a fiendish crossword. fiendishly. adverb mainly UK. extremely: fiendishly clever / difficult. (Definition of fiendish from the Cambridge Learner's Dictionary © Cambridge University Press)
Definition of fiendish adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Adjective. Adverb. fiendish definition: 1. evil or cruel: 2. very difficult or complicated: 3. extremely: . Learn more.
Definitions of 'fiendish' 1. A fiendish plan, action, or device is very clever or imaginative. [informal] [...] 2. A fiendish problem or task is very difficult and challenging. [informal] [...] 3. A fiendish person enjoys being cruel. [...] More. Pronunciations of 'fiendish' American English: findɪʃ British English: fiːndɪʃ. More.
Fiendish Definition. Of, relating to, or suggestive of a fiend; diabolical. Of or like a fiend; devilish; inhumanly wicked or cruel. Extremely vexatious or difficult.
fiendish meaning, definition, what is fiendish: cruel and unpleasant: Learn more.
fiend (fēnd), n. Satan; the devil. any evil spirit; demon. a diabolically cruel or wicked person. a person or thing that causes mischief or annoyance: Those children are little fiends.
What does the adjective fiendish mean? There is one meaning in OED's entry for the adjective fiendish . See ‘Meaning & use’ for definition, usage, and quotation evidence.
fiendish. adjective. These are words and phrases related to fiendish. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of fiendish. WICKED.