[ fuh-loh-nee-uh s ]
/ fəˈloʊ ni əs /


Law. pertaining to, of the nature of, or involving a felony: felonious homicide; felonious intent.
wicked; base; villainous.

Origin of felonious

1375–1425; felony + -ous; replacing late Middle English felonous < Anglo-French, Old French
Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for feloniously

British Dictionary definitions for feloniously


/ (fɪˈləʊnɪəs) /


criminal law of, involving, or constituting a felony
obsolete wicked; base
Derived Formsfeloniously, adverbfeloniousness, 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 feloniously



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