IMPASSIVE

adj. cool, apathetic, calm, serene, composed, unmoved, cold, cold-blooded, reserved, imperturbable, unimpressionable, unruffled, controlled, contained, phlegmatic, lackadaisical, stoical, unemotional, taciturn, unfeeling, stolid, emotionless, uncaring, indifferent, undisturbed, callous, unsympathetic, stony, dispassionate, detached, nonchalant, unconcerned, insouciant, remote I could see nothing in the judge's impassive expression to hint at his decision