De·bil·i·tate v. t. [imp. & p. p. Debilitated; p. pr. & vb. n. Debilitating.] 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.
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debilitating
adj : impairing the strength and vitality [ant: invigorating]