'Felonious' definitions:

Definition of 'felonious'

From: WordNet
adjective
Involving or being or having the nature of a crime; "a criminal offense"; "criminal abuse"; "felonious intent" [syn: criminal, felonious]

Definition of 'Felonious'

From: GCIDE
  • Felonious \Fe*lo"ni*ous\, a. Having the quality of felony; malignant; malicious; villainous; traitorous; perfidious; in a legal sense, done with intent to commit a crime; as, felonious homicide. [1913 Webster]
  • O thievish Night, Why should'st thou, but for some felonious end, In thy dark lantern thus close up the stars? --Milton. -- {Fe*lo"ni*ous*ly}, adv. -- {Fe*lo"ni*ous*ness}, n. [1913 Webster]