enfeebling Synonyms

weakening debilitative enervating tedious softening sapping ordinary old monotonous jading incapacitate incapacitating tiring devitalizing unsurprising undermining uninspiring unexceptional uninteresting wearying weary wearisome wearing weaken impairing fatiguing exhaust deadening customary crippling cramping common colorless boring attrition attenuate attenuating debilitating debilitate exhausting enfeeble dull drain draining dispiriting disheartening discouraging disabling demoralizing arid