disinterested

Having no interest or stake in the outcome, and no conflicts of interest; free of bias, impartial.

[W]e ought to try our compoſures this vvay; by vvhich the ſoul, receiving them more remotely, conveyed to the ear by the voice, and from this returned to her, as it vvere, from abroad, and that onely in a tranſient ſound, ſits novv as the moſt diſintereſted Arbiter, and impartial judge of her ovvn vvorks, that ſhe can be.

[E]very one pretended to Right and Liberty, and to publick Good, and made loud Noiſes of their unbiaſs'd Juſtice, diſintereſted Actings, and vaſt Moderation, and yet vvere all fighting and ſnarling for Dominion over one another.

Synonym of uninterested (“not interested; not concerned; indifferent”).

[I]f there be caſes, vvherein the party is diſ-intereſted, and only or primarily the glory of God is reſpected and advanced, it [suicide] may be lavvfull.

The Mariners, vvhen in ſome furious Tempeſt they are upon point of ſinking, hovv are they amazed at the rage of the vvatry Element? […] hovv diſintereſted are they of all vvorldly matters, ſince they fling their vvealth and riches into the Sea, for vvhich they have run ſuch hazard?