From Longman Dictionary of Contemporary Englishdebilitatede‧bil‧i‧tate /dɪˈbɪlɪteɪt/ verb [transitive] formal 1 WEAKto make someone ill and weak He was debilitated by his illness.2 HARM/BE BAD FORto make an organization or system less effective or powerful The state is debilitated by inefficiency and corruption. —debilitating adjective a debilitating disease→ See Verb table