unacquainted
adjectiveNot familiar or acquainted with another.
adjectiveNot informed or knowledgeable.
Not well known; unusual; strange.
Not acquainted, or without acquaintance: usually followed by with.
adjectiveNot acquainted.
adjectiveNot usual; unfamiliar; strange.
adjectiveNot
Not
having little or no knowledge of
adjectivenot knowledgeable about something specified