1. relating to or constituting a felony; criminal
Usage: legal
2. having the character of a villain; wicked or evil
Usage: formal

Examples

• The defendant was charged with felonious assault.
• His felonious behavior landed him in prison for five years.
• The court found evidence of felonious intent in the robbery case.
• She was accused of felonious conduct while serving as treasurer.
• The prosecutor argued that the act was clearly felonious in nature.
• His felonious scheme to defraud investors was finally exposed.