impassiveness

synonyms impassive , stoic , phlegmatic , apathetic , stolid mean unresponsive to something that might normally excite interest or emotion. impassive stresses the absence of any external sign of emotion in action or facial expression <met the news with an impassive look>. stoic implies an apparent indifference to pleasure or especially to pain often as a matter of principle or self-discipline <was resolutely stoic even in adversity>. phlegmatic implies a temperament or constitution hard to arouse <a phlegmatic man unmoved by tears>. apathetic may imply a puzzling or deplorable indifference or inertness <charitable appeals met an apathetic response>. stolid implies an habitual absence of interest, responsiveness, or curiosity <stolid workers wedded to routine>.