Synonyms to dead pan

anesthesia, autism, catatonia, chill, chilliness, cold blood, cold heart, coldheartedness, coldness, coolness, deadpan, dispassion, dispassionateness, dullness, emotional deadness, emotionlessness, expressionlessness, frigidity, frostiness, heartlessness, iciness, immovability, impassibility, impassiveness, impassivity, inexcitability, inexpressiveness, lack of affect, lack of feeling, lack of touch, objectivity, obtuseness, passionlessness, poker face, self-absorption, soullessness, spiritlessness, straight face, unemotionalism, unexcitability, unexpressiveness, unfeeling, unfeelingness, unimpressibility, unimpressionableness, unpassionateness, unresponsiveness, unsusceptibility, unsympatheticness, untouchability, withdrawal