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.
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.