noun
Synonyms: apathy 1, impassivity, insensibility, phlegm, stoicism, unresponsiveness
Related Word: dullness, dumbness, slowness, stupidity; inactiveness, inactivity, inertia, passivity
Contrasted words: aptness, quickness, readiness; animation, enlivening, quickening; ardor, enthusiasm, fervor, passion, zeal; fire
Antonyms: sensitivity