1. In a manner disapproved or not allowed by custom
   - illegitimately 
2. In an illegal manner
   - illegally, lawlessly

See also: illicit

Antonym: licitly

• hip bath
• hip boot
• hip joint
• hip pad
• hip pocket
• hip roof
• hip socket
• hip tile
• hip to
• hip-hop
• hip-huggers
• hipbone
• hipflask
• hiplength
• hipless
• hipline
• hipness
• Hipparchus
• hippeastrum
• Hippeastrum puniceum
• hipped
• hipped roof
• hipped tile
• hippie
• hippies