decrepit Copy link • decrepit: dēcrĕpĭtus: a d. old man, d. senex, Pl.: Ter.: Cic. (v. foll. art.). (Or expr. by phr. as, confectus senectute, Cic.; aetate. Sall.: defectus annis et desertus viribus, Phaedr.: v. feeble, disabled.)