Synonyms of 'out of shape'
▷ See shape
unfitDictionary, unhealthy, in poor condition
Physically, Englishmen are out of shape.
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Something that is decrepit is old and in bad condition. Someone who is decrepit is old and weak.
a decrepit old man
If you describe someone or something as feeble, you mean that they are weak.
He was old and feeble.
Thesaurus for out of shape from the Collins English Thesaurus
If something is out of shape , it is no longer in its proper or original shape, for example because it has been damaged or wrongly handled .