Webster's Revised Unabridged Dictionary · 1913

Debilitate

Debilitate , transitive verb

[Latin debilitatus, past participle of debilitare to debilitate, from debilis. See Debility.]

To impair the strength of; to weaken; to enfeeble; as, to debilitate the body by intemperance.
Various ails debilitate the mind. — Jenyns
The debilitated frame of Mr. Bertram was exhausted by this last effort. — Sir W. Scott