/ dɪˈbɪlɪteɪt; NAmE / verb [ vn ] ( formal )
1.
to make sb's body or mind weaker :
a debilitating disease
2.
to make a country, an organization, etc. weaker :
Prolonged strike action debilitated the industry.
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WORD ORIGIN
mid 16th cent.: from Latin debilitat- weakened, from the verb debilitare , from debilitas , from debilis weak.