1. Not growing old; not appearing to age
   - ageless, unaging

Encyclopedia: Unageing

• common facial vein
• common factor
• common fate
• common fault
• common fennel
• common fig
• common fig tree
• common flat pea
• common four-o'clock
• common foxglove
• common fraction
• common front
• common garden cress
• common garter snake
• common ginger
• common good
• common grape hyacinth
• common grape vine
• common ground
• common gum cistus
• common heath
• common hop
• common hops
• common horehound
• common horsetail