Synonyms:
decrepit, debile, feeble, infirm, rickety, sapless, weak, weakly
Meaning: lacking bodily or muscular strength or vitality; "a feeble old woman"; "her body looked sapless"
Synonyms:
creaky, decrepit, derelict, flea-bitten, run-down, woebegone
Meaning: worn and broken down by hard use; "a creaky shack"; "a decrepit bus...its seats held together with friction tape"; "a flea-bitten sofa"; "a run-down neighborhood"; "a woebegone old shack"
Usage examples
The New Building, which was the most cracked and decrepit thing to be seen anywhere in the world, was the weak point in the prison.
My father's pale face flushed crimson in a moment. He touched the magnificent merchant-lord on the arm, and pointed significantly, with a low bow, towards the decrepit old lady who had once been my mother's governess.