This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

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

In a felonious manner; wickedly; with deliberate intent to commit a wrongful act, the act being in law such as constitutes a crime of the class termed felonies. Indictments for capital offenses must state the act to have been done feloniously.

"Audi Mr. Neil says the new Audi R8 Spyder "looks spectacular — feloniously low and wide, its fender flares overflowing with alloy wheels and licorice-like sport rubber (19-inch 235/35s in front and 295/30s on the rear).""