Did you mean felonious?
felonious
adjective
°Having the quality of felony; malignant; malicious; villainous; traitorous; perfidious; being, relating to, or concerning felony.
"O thievish Night, Why should'st thou, but for some felonious end, In thy dark lantern thus close up the stars? -"
°done with intent to commit a crime; as, felonious homicide.