Synonyms of unpassioned

1 Syllable

cool, staid

2 Syllables

spacey, withdrawn, casual, abstract, distant, laid-back, stolid, aloof

3 Syllables

unbiased, uncurious, reserved, remote, removed, spaced-out, impartial

4 Syllables

objective, poker-faced, indifferent, apathetic, impersonal, uninvolved, uncommitted, unconcerned

5 Syllables

uninterested, disinterested, dispassionate, unprejudiced