Law. pertaining to, of the nature of, or involving a felony: felonious homicide; felonious intent.
wicked; base; villainous.
Origin of felonious
1375–1425; felonyRelated formsfe·lo·ni·ous·ly, adverbfe·lo·ni·ous·ness, nounnon·fe·lo·ni·ous, adjectivenon·fe·lo·ni·ous·ly, adverbnon·fe·lo·ni·ous·ness, nounun·fe·lo·ni·ous, adjectiveun·fe·lo·ni·ous·ly, adverb
; replacing late Middle English felonous
< Anglo-French, Old French
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for felonious
Contemporary Examples of felonious
Historical Examples of felonious
The fact that the shooting is felonious does not make it any more likely to kill people.
The suit was by way of appeal; the cause of action, a felonious trespass.
He might be with this felonious lot, but he wouldn't be of them.
I wasn't tryin' to break into the army with felonious intent.
Mr. Hutton started, as though he had been taken in some felonious act.
British Dictionary definitions for felonious
Derived Formsfeloniously, adverbfeloniousness, noun
criminal law of, involving, or constituting a felony
obsolete wicked; base
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 felonious
mid-15c. (implied in feloniously), from felony + -ous. Replaced felonous (mid-14c.) by c.1600. Felonly (c.1300) was another variation.
Online Etymology Dictionary, © 2010 Douglas Harper