[mass noun](formal)a state of disuse (正式)废弃,不用 the docks fell into desuetude. 这些码头已废弃不用了。
语源
early 17th cent. (in the sense cessation): from French, from Latin desuetudo, from desuet- 'made unaccustomed', from the verb desuescere, from de- (expressing reversal) + suescere 'be accustomed'