[ mur-der-uh s ]
/ ˈmɜr dər əs /


of the nature of or involving murder: a murderous deed.
guilty of, bent on, or capable of murder.
extremely difficult, dangerous, or unpleasant: murderous heat.

Origin of murderous

First recorded in 1525–35; murder + -ous

Related forms

mur·der·ous·ly, adverbmur·der·ous·ness, nounnon·mur·der·ous, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for murderous

British Dictionary definitions for murderous


/ (ˈmɜːdərəs) /


intending, capable of, or guilty of murder
informal very dangerous, difficult, or unpleasanta murderous road

Derived Forms

murderously, 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