murderous

[mur-der-uh s]
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adjective
  1. of the nature of or involving murder: a murderous deed.
  2. guilty of, bent on, or capable of murder.
  3. extremely difficult, dangerous, or unpleasant: murderous heat.

Origin of murderous

First recorded in 1525–35; murder + -ous
Related formsmur·der·ous·ly, adverbmur·der·ous·ness, nounnon·mur·der·ous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for murderous

murderous

adjective
  1. intending, capable of, or guilty of murder
  2. informal very dangerous, difficult, or unpleasanta murderous road
Derived Formsmurderously, adverbmurderousness, 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 murderous
adj.

1530s, a hybrid from murder + -ous. An Old English word for it was morðorhycgende. Related: Murderously; murderousness.

Online Etymology Dictionary, © 2010 Douglas Harper