adj .
extra ; unnecessary ; redundant 여분의, 남아도는 ; 불필요한 ; 과다의, 잉여의

• Andrew's attempt to repair the light bulb was superfluous, since the light bulb had already been repaired.
• Roughly 999 of the 1,000-page book's pages were superfluous.
• 명사형은 superfluity