Synonyms of impassive

1 Syllable

stoic, neb, cold, dry

2 Syllables

inert, wooden, placid, languid, stretchy, deadpan, stoical, mopish, snoozy, bloodless, listless, stolid, callous, heartless

3 Syllables

half-hearted, reserved, unmoved, serene, fatheaded, incurious, nonchalant, taciturn, composed, halfhearted, impervious, passionless, sedate, languorous, masklike, sleepyhead, phlegmatic, cold-blooded, unfeeling, hardened, lymphatic, unruffled, collected, lethargic, reticent, spiritless

4 Syllables

inscrutable, unreactive, unexcited, apathetic, pokerfaced, unconcerned, immovable, imperviable, unpierceable, insensate, unbothered, poker-faced, matter-of-fact, emotionless, case-hardened, expressionless, unflappable, insensible, indifferent, indurated, self-contained, impassible

5 Syllables

uninterested, unemotional, unagitated, unimpressible, casehardened, unexcitable, inexcitable, nonemotional, insusceptible, unsusceptible, inexpressive, unidealistic, unimpassioned, unsentimental, disimpassioned, dispassionate, imperturbable, hebetudinous

6 Syllables

unimpressionable