1. Worn by rubbing or friction

See also: worn

• philosopher
• philosophers' stone
• philosophers' wool
• philosophic
• philosophical
• philosophical doctrine
• philosophical system
• philosophical theory
• philosophically
• philosophise
• philosophiser
• philosophising
• philosophize
• philosophizer
• philosophizing
• philosophy
• philosophy department
• philter
• philtre
• phimosis
• Phineas Taylor Barnum
• Phintias
• phish
• phishing
• phishing scam