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
Akiko	ah-kee-ko	Japanese
Lorin	-	English
Collin	KAHL-in	English
Ervin	['ə:vin]
Caspian	KAS-pee-ən (English)	Literature
Kapila	-	Hinduism