Synonyms of disimpassioned

1 Syllable
light, blasé, smooth, cool, calm, cold
2 Syllables
mellow, loose, neutral, airy, trifling, casual, placid, happy, listless, easy, aloof, offhand
3 Syllables
lukewarm, incurious, detached, nonchalant, serene, unruffled, neglectful, untroubled, collected, effortless, uncaring, insouciant, composed, careless, negligent, unfeeling
4 Syllables
unperturbed, unexcited, impassive, unflappable, indifferent, apathetic, unconcerned
5 Syllables
disinterested, unemotional, unimpressible, dispassionate, imperturbable, lackadaisical