Antonyms for sprightliness

energy:

uselessness, dispiritedness, enervation, lifelessness, lethargy, indifference, idleness, weakness, impotence, indolence, dullness, disability, helplessness, cowardice, ineffectiveness, apathy, incompetence, inactivity, lack, inefficiency, powerlessness, inability, laziness.

noun:

lifelessness, apathy, sleepiness, weariness, bashfulness, dullness, languor, modesty, humility, vapidity, torpor, anemia, languidness, tedium, lethargy, spiritlessness, listlessness, torpidity, demureness, limpness, tediousness, vapidness, pallidness, shyness, impassivity, diffidence, sluggishness.