decrepit

形容词 decrepit:

1. worn and broken down by hard use
   同义词：creaky, derelict, flea-bitten, run-down, woebegone
2. lacking physical strength or vitality
   同义词：debile, feeble, infirm, rickety, sapless, weak, weakly

1. An old, rickety vehicle, especially a decrepit automobile or aircraft.
   破旧汽车，破旧飞机一种用久而破烂的交通工具，尤指破坏了的汽车或飞机

de.crep.it

adj.（形容词）
Weakened, worn out, impaired, or broken down by old age, illness, or hard use.See Synonyms at weak
老朽的；用旧的：由于年老、疾病或使用而过度以至衰弱的、疲乏的、损害了的或出毛病了的参见 weak

来源：
Middle English
中古英语
from Old French
源自 古法语
from Latin dôcrepitus [worn out, feeble]
源自 拉丁语 dôcrepitus [耗尽的，虚弱的]
dô- [de-]
dô- [脱离]
crepitus [past participle of] crep3re [to burst, crack]
crepitus [] crep3re的过去分词 [爆破，破裂]

【引伸】
decrep.itly
adv.（副词）