Synonyms of disinterested

1 Syllable

numb, fairs, fair

2 Syllables

neutral, tepid, withdrawn, bored, casual, cricket, candid, fairer, cold-fish, selfless, aloof, stoical, fairest

3 Syllables

unsocial, incurious, unbiased, outside, brotherly, uncurious, unstirred, nonchalant, remote, unselfish, impartial, clinical, iceberg, uncaring, unpitying, unslanted, phlegmatic, bystanding, self-denying

4 Syllables

unimpressed, negative, perfunctory, unaroused, objective, unlively, unexcited, aversive, unpassioned, non-combatant, indifferent, impersonal, uninvolved, noncombatant, nonpartisan, even-handed, comradely, nonaligned, fair-to-middling, middle-of-road, equitable, unconcerned, open-handed, self-forgetful, self-forgetting, energyless

5 Syllables

uninterested, unsympathetic, unimpressible, disimpassioned, dispassionate, unprejudiced, unexcitable, unprepossessed, lackadaisical, nonbelligerent

6 Syllables

uncompassionate, nondiscriminating, nonparticipating