fustiest

This room smells slightly fusty - I think I'll open a window.

这个房间有些霉味——我觉得应该打开一扇窗户。

Rupert's father belongs to some fusty old gentleman's club where they don't allow women in.

鲁珀特的父亲是某个守旧的老年绅士俱乐部的会员，他们不允许女性加入。