no longer existing or functioning 不再存在的,消失的,失灵的 the now defunct Somerset & Dorset railway line. 目前不再使用的萨默塞特郡至多塞特郡的铁路线。
语源
mid 16th cent. (in the sense 'deceased'): from Latin defunctus 'dead', past participle of defungi 'carry out, finish', from de- (expressing reversal) + fungi 'perform'