Disinterest

Part of speech: noun (n.)

1. What is contrary to interest or advantage; disadvantage. [Obs.] Glanvill.

2. Indifference to profit; want of regard to private advantage; disinterestedness. [Obs.] Johnson.

Part of speech: verb (v.)

To divest of interest or interested motives. [Obs.] Feltham.

Part of speech: participle (p.)

Disinterested. [Obs.] The measures they shall walk by shall be disinterest and even. Jer. Taylor.