(US, law) A serious criminal offense, which, under United States federal law, is punishable by imprisonment for a term exceeding one year or by death.

Of, relating to, being, or having the quality of felony / (law) Done with intent to commit a crime.

plural of felony

In a felonious manner; in a manner that constitutes a felony.

Felons as a group. / The convict population of a penal colony.

The bittersweet nightshade, Solanum dulcamara. / Other plants traditionally used to treat the type of bacterial infection known as a felon, such as celandine

plural of felonry

The quality of being felonious.

plural of feloness

(rare) A female felon.