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

Encyclopedia: Unageing

• individuality
• individualization
• individualize
• individualized
• individually
• individuate
• individuation
• indivisibility
• indivisible
• indivisible by
• indivisibly
• Indo-
• Indo-Aryan
• Indo-Chinese
• Indo-European
• Indo-European language
• Indo-Germanic
• Indo-Hittite
• Indo-Iranian
• Indo-Iranian language
• Indochina
• Indochinese peninsula
• indocile
• Indocin
• indoctrinate