unimpressionable Synonyms

unsympathetic unsusceptible unfeeling unconcerned stony stolid stoic spiritless soulless senseless reticent laid-back anesthetized unemotional undemonstrative uncompassionate unresponsive nonreactive out of touch insentient emotionless deadpan coldhearted reserved phlegmatic passionless frigid flat dispassionate detached dead cool cold-blooded cold chill callous glacial hard objective obdurate insusceptible insensitive insensible indifferent impassive impassible icy heartless apathetic