de·bil·i·tate \də̇ˈbiləˌtāt, dēˈ-, usu -ād.+V\transitive verb (-ed/-ing/-s) Etymology: Latin debilitatus, past participle of debilitare to weaken, from debilis weak : to impair the strength of : weaken, enfeeble < a body debilitated by disease > < war … left a debilitated economic plant — C.R.Decker > Synonyms:see weaken