1. Not artificially coloured or bleached
   "unbleached blonde hair"
   - uncolored [US], undyed, uncoloured [Brit, Cdn]

See also: natural

• infinitude
• infinity
• infirm
• infirmary
• infirmity
• infirmly
• infix
• infix notation
• inflame
• inflamed
• inflaming
• inflammability
• inflammable
• inflammation
• inflammatory
• inflammatory bowel disease
• inflammatory disease
• inflatable
• inflatable cushion
• inflate
• inflated
• inflater
• inflation
• inflation rate
• inflation therapy