know-nothing

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A completely ignorant, uninformed, or unknowledgeable person. I wish my father had never hired a know-nothing like you to manage our accounts!

Name	Pronounced	Usage
Tahnee	TAW-nee	English (Rare)
Conn	-	Irish
Valentino	vah-len-TEE-no	Italian
Galia	-	Hebrew
Haidar	-	Arabic
Maximianus	-	Ancient Roman