Definitions

1. adjective

guilty of or characterized by a crime or a wrongdoing

“The company was accused of making felonious statements about its competitors.”

2. noun

a crime, especially one of a serious nature

“The court case was about the felonious act of murder.”

3. adverb

in a way that is guilty of a crime or wrongdoing

“The suspect was arrested for feloniously breaking into the store.”