impassive Synonyms

deadpan stolid unexpressive expressionless poker-faced phlegmatic apathetic unaffected unfeeling uninterested unconcerned unmoved unruffled vacant wooden unshaken unsusceptible undisturbed unimpassioned tranquil torpid toneless poised reposeful sedate self-possessed serene shiftless slothful staid steely stoic stoical stony supine tepid pococurante unambitious unexcitable unresponsive uninvolved unflappable uncaring unsentimental unaffectionate undemonstrative uneager unemotional unenthusiastic unflustered