follow Dictionary.com

Your favorite word could be our Word of the Day!

fiendish

[feen-dish] /ˈfin dɪʃ/
adjective
1.
diabolically cruel and wicked.
Origin
1520-1530
1520-30; fiend + -ish1
Related forms
fiendishly, adverb
fiendishness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for fiendish

fiendish

/ˈfiːndɪʃ/
adjective
1.
of or like a fiend
2.
diabolically wicked or cruel
3.
(informal) extremely difficult or unpleasant: a fiendish problem
Derived Forms
fiendishly, adverb
fiendishness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for fiendish
adj.

1520s, from fiend + -ish. Related: Fiendishly; fiendishness.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for fiendish

Many English speakers likely know this word

Word Value for fiendish

15
15
Scrabble Words With Friends

Quotes with fiendish