Adverbs for Impassive

obtusely; obdurately; languidly; indifferently; uncommonly; deeply; carelessly; callously; imperturbably; maddeningly; stoutly; phlegmatically; stupidly; dully; stolidly; apathetically; neutrally; quietly; serenely; provokingly; resolutely; deliberately; frightfully; alarmingly; dreadfully; ominously; portentously; deafly; blindly.