Synonyms of unemotional

1 Syllable

blah, cool, quiet, cold, flat, stoic, chill

2 Syllables

frigid, glacial, bloodless, laid-back, bullhead, marble, cold-fish, listless, deadpan, stolid, callous, stoical, heartless

3 Syllables

unsocial, incurious, passionless, reserved, hard-hearted, hardened, stiff-necked, thick-skinned, unstirred, coldhearted, hardhearted, uncordial, nonchalant, cool-headed, cold-hearted, clinical, iceberg, uncaring, unmoving, nerveless, unpitying, ungenial, phlegmatic, reticent, cold-blooded, hard-boiled, unfeeling

4 Syllables

ironhearted, unaroused, unimpressed, stony-hearted, obdurate, objective, unamiable, impassive, unexcited, aversive, indifferent, apathetic, compassionless, stonyhearted, emotionless

5 Syllables

unresponsive, unsympathetic, insensitive, disimpassioned, dispassionate, inexcitable, unprepossessed, nonemotional, unimpressible, unexcitable

6 Syllables

uncompassionate, undemonstrative, unimpressionable