Decrepit a. : Broken down with age; wasted and enfeebled by the infirmities of old age; feeble; worn out.

Example:
Does Schilling look like a Decrepit old man with nothing left in the tank?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, webster, crep, Word Games, Webster Online Dictionary with audio pronunciations, Middle English, thesaurus, glossary, language, ESL, Search, kre, adjective, Etymology, Latin, 15th century, infirmities.

Defination from the web:
decrepit from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Learn more about "decrepit" and related topics at Britannica.com. Pronunciation Symbols. Share this entry: Link to this page: Cite this page: Products ...