If you think so, you must have a strange opinion of me; you must regard me as a plotting profligate — a base and low rake who has been simulating disinterested love in order to draw you into a snare deliberately laid, and strip you of honour and rob you of self— respect.
Jane, you are docile, diligent, disinterested, faithful, constant, and courageous; very gentle, and very heroic: cease to mistrust yourself — I can trust you unreservedly.
There are no more uses of "disinterested" in the book.
Show samples from other sources
All the Finches had straight incisive eyebrows and heavy-lidded eyes; when they looked slant-wise, up, or straight ahead, a disinterested observer would catch a glimpse of what May-comb called Family Resemblance.
Harper Lee -- Go Set a Watchman
He looks up at them, disinterested and maybe disgusted by the baby, because he wanders deeper into the recesses of the cluttered store to get away.