smelling old, slightly wet or not fresh 腐臭的；霉湿味的 a dark fusty room 阴暗霉湿的房间
old-fashioned 过时的；守旧的 fusty ideas 守旧的思想 a fusty old professor 古板的老教授
Word Originlate 15th cent.: from Old French fuste ‘smelling of the cask’, from fust ‘cask, tree trunk’, from Latin fustis ‘cudgel’.