頭ず重おも

noun, noun which may take the genitive case particle 'no'

heavy-headed; haughty

Describes a person who is arrogant or acts superior, literally 'head-heavy'. Not a common everyday word; more literary or old-fashioned.

• 彼かれは成せい功こうしてから頭ず重おもになった。

  He became haughty after his success.