1. (informal) someone who is perverted, mentally ill or sick
   - sickie

Derived forms: sickos

Encyclopedia: Sicko

• ossia
• ossicle
• ossicular
• ossiculate
• ossiculum
• ossiferous
• ossification
• ossified
• ossifrage
• ossify
• osso buco
• ossuary
• Ostariophysi
• osteal
• Osteichthyes
• osteitis
• osteitis deformans
• ostend
• ostensible
• ostensibly
• ostensive
• ostensive definition
• ostensively
• ostensorium
• ostentate