decrepitude Play nounThe state of being decrepit. SYNONYMS agednessdebilitationdebilitydecayderelictiondeteriorationdilapidationdisrepairdotageelderlinessenfeeblementfeeblenessfrailtyincapacitationinfirmitymalaiseold agerack and ruinricketinessruinsenescencesenilitysicklinesssuperannuationweakness