enervation

n

1. weakness, enfeeblement, feebleness, infirmity, debilitation, debility, devitalization, Both Pathol. asthenia, adynamia; exhaustion, depletion, impoverishment; impotence, impuissance, power-lessness, helplessness, inability; tiredness, weariness, fatigue, strain, lassitude, languor; demoralization, defeat, collapse; emasculation, castration, effeminization.

2. impairment, invalidation, disablement, incapacitation, crippling, paralysis, undermining; dilution, adulteration, debasement; reduction, minimization, lessening, diminishing, lowering.