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- Dictionaryfiendish/ˈfiːndɪʃ/
adjective
- 1. extremely cruel or unpleasant: "fiendish methods of torture" Similar
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FIENDISH definition: 1. evil and cruel: 2. clever and difficult, sometimes in a bad way: 3. very great: . Learn more.
The meaning of FIENDISH is perversely diabolical. How to use fiendish in a sentence. perversely diabolical; extremely cruel or wicked; excessively bad, unpleasant, or difficult…
[informal] ...a fiendish plot. fiendishly adverb [usually ADVERB adjective] This figure is reached by a fiendishly clever equation. 2. adjective [ADJECTIVE noun] A fiendish problem or task is very difficult and challenging. [informal] A rather neat option allows you to design your own fiendish puzzle. ...the fiendish difficulty of the questions.
FIENDISH meaning: 1. evil and cruel: 2. clever and difficult, sometimes in a bad way: 3. very great: . Learn more.
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.
Fiendish definition: diabolically cruel and wicked.. See examples of FIENDISH used in a sentence.
1. Of, relating to, or suggestive of a fiend; diabolical. 2. Extremely wicked or cruel. 3. Extremely bad, disagreeable, or difficult: a fiendish blizzard; a fiendish problem. fiend′ish·ly adv. fiend′ish·ness n. American Heritage® Dictionary of the English Language, Fifth Edition.
(informal) extremely clever and complicated, often in an unpleasant way. a puzzle of fiendish complexity. a fiendish plan. (informal) extremely difficult. a fiendish problem. See fiendish in the Oxford Advanced American Dictionary. Check pronunciation: fiendish. Definition of fiendish adjective in Oxford Advanced Learner's Dictionary.
1. adjective [usu ADJ n] A fiendish plan, action, or device is very clever or imaginative. [informal] ...a fiendish plot. fiendishly adverb [usu ADV adj] This figure is reached by a fiendishly clever equation. 2. adjective [ADJ n] A fiendish problem or task is very difficult and challenging. [informal] ...the fiendish difficulty of the questions.
Extremely vexatious or difficult. Webster's New World. Similar definitions. Synonyms: unholy. satanic. infernal. hellish. diabolical. demonic. wicked. vicious. sinister. evil. difficult. devilish. demoniac. cruel. Fiendish Sentence Examples. For revenge, Archimedes devised a fiendish computational problem that involved truly immense numbers.
