disinterested, uninterested

  edgood  —  Grammar Tips
To be disinterested means to be “impartial,” “free from bias,” or “indifferent.” A disinterested person has no stake in the outcome.

To be uninterested means “having no interest in something; to be without interest.”

Example: The fairest decision often comes from disinterested parties, but they might be uninterested in helping to resolve the issue.

© Grammar.com