expressionless

not expressing any emotion veteran poker players invariably have expressionless faces, regardless of the hand they're holding Synonyms catatonic, deadpan, empty, blank, impassive, inexpressive, numb, stolid, vacantRelated Words dull, vacuous, vague, vapid; enigmatic (also enigmatical), impenetrable, inscrutable, mysterious; motionless, static, still, wooden; reserved, restrained, reticent, taciturn; aloof, apathetic, cold, cool, detached, indifferent, phlegmatic, unresponsiveNear Antonyms engaged, interested, responsive; active, alive, animated, bright, busy, dynamic, effervescent, energetic, expansive, exuberant, lively, vivacious; eloquent, revealing, revelatory; gestic, gesticulant, gesticulative, gesticulatory, gestural; emotional, melodramatic, theatrical (also theatric), unreserved, unrestrainedAntonyms demonstrative, expressive