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Synonyms

devilish

American  
[dev-uh-lish, dev-lish] / ˈdɛv ə lɪʃ, ˈdɛv lɪʃ /

adjective

  1. of, like, or befitting a devil; diabolical; fiendish.

    Synonyms:
    excessive, infernal, demoniac, satanic
  2. extreme; very great.

    a devilish mess.


adverb

  1. excessively; extremely.

    He's devilish proud.

devilish British  
/ ˈdɛvlɪʃ, ˈdɛvəlɪʃ /

adjective

  1. of, resembling, or befitting a devil; diabolic; fiendish

"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

adverb

  1. (intensifier)

    devilish good food

    this devilish heat

"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

Other Word Forms

  • devilishly adverb
  • devilishness noun
  • superdevilish adjective
  • superdevilishly adverb
  • superdevilishness noun
  • undevilish adjective

Etymology

Origin of devilish

First recorded in 1400–50; late Middle English; see origin at devil, -ish 1

Explanation

You can describe someone as devilish if they're nasty and cruel, although this adjective is also used for rascally or naughty people, like the devilish kids you babysit. A devilish punishment is cruel, but a devilish preschooler simply misbehaves in a playful way. Since about 1600, the word devil has been used to mean not just an "evil, diabolical spirit," but also a "clever rogue." The adjective has followed suit, so you might describe a terrifying movie monster as a devilish creature, while also calling your favorite rascal a devilish creature.

Keep Reading on Vocabulary.com

Vocabulary lists containing devilish

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

How wordplay and devilish games of deduction can be as satisfying to the soul as a song.

From The Wall Street Journal • Nov. 21, 2025

And Universal's horror sequel "Black Phone 2," once again starring Ethan Hawke as a devilish villain, came in fifth place at $2.7 million.

From Barron's • Nov. 16, 2025

Content creator and media personality Amelia Dimoldenberg never takes the easy option when it comes to dressing up for Halloween and this devilish costume certainly looks like it required some effort.

From BBC • Oct. 31, 2025

Carter and his often underpaid staff came up with devilish nicknames for their primary targets.

From Los Angeles Times • Mar. 23, 2025

What if that gives her devilish powers for real?

From "Merci Suárez Changes Gears" by Meg Medina