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See more synonyms for hellish on Thesaurus.com
  1. of, like, or suitable to hell; infernal; vile; horrible: It was a hellish war.
  2. miserable; abominable; execrable: We had a hellish time getting through traffic.
  3. devilishly bad: The child's behavior was hellish most of the day.
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Origin of hellish

First recorded in 1520–30; hell + -ish1
Related formshell·ish·ly, adverbhell·ish·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for hellish

infernal, terrible, horrible, abominable, accursed, atrocious, barbarous, cruel, damnable, damned, demonic, devilish, diabolical, monstrous, nefarious, satanic, vicious, wicked

Examples from the Web for hellish

Contemporary Examples of hellish

Historical Examples of hellish

British Dictionary definitions for hellish


  1. of or resembling hell
  2. wicked; cruel
  3. informal very difficult or unpleasant
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  1. British informal (intensifier)a hellish good idea
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Derived Formshellishly, adverbhellishness, 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

Word Origin and History for hellish


1520s, from hell + -ish. Related: Hellishly; hellishness. Earlier in same sense were helli "helly" (late 12c.); hellen "hellish, infernal" (c.1200), with -en (2); and Old English hellic.

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Online Etymology Dictionary, © 2010 Douglas Harper