2 synonym groups for Unresponsiveness

coldness, iciness, chilliness, frostiness, coolness, aloofness, detachment, indifference, unresponsiveness, reserve, standoffishness, unemotionality, unfeelingness, insensibility, passionlessness, apathy, dispassion, impassivity, insouciance, nonchalance, phlegm, torpidity, torpor, unfriendliness [x]

insensitivity, indifference, apathy, detachment, aloofness, unfeelingness, numbness, passivity, inaction, inertia, torpor, lethargy, unresponsiveness [x]