1. In a heinous manner.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• genously,
• tenously,
• geinously,
• beinously,
• neinously,
• jeinously,
• ueinously,
• yeinously,
• hwinously,
• hsinously,
• hdinously,
• hrinously,
• h4inously,
• h3inously,
• heiniously,
• hienously,
• heniously,
• noixously,
• gazouly,
• Gabously

• Henslee,
• henzel,
• hensler,
• hensel,
• hensley,
• henkel,
• hemigalus.

The adjective form of "heinously" is "heinous".