1. Not knowledgeable about something specified
   "a person unacquainted with our customs"
   - innocent 
2. Having little or no knowledge of
   "unacquainted with city ways"
   - unacquainted with, unfamiliar with

See also: unfamiliar, uninformed

• kauri pine
• kauri resin
• kaury
• kava
• kavakava
• Kavir Desert
• Kavrin
• Kaw River
• kawaka
• Kawasaki disease
• kay
• Kay Boyle
• kayak
• kayaker
• kayo
• kayoed
• Kayser-Fleischer ring
• kazaa
• Kazak
• Kazakh
• Kazakhstan
• Kazakhstani
• Kazakhstani monetary unit
• Kazakstan
• Kazan