untarnished

/ʌnˈtɑrnɪʃt/
adjective
  1. Not damaged or made less shiny; in perfect condition (especially of metal).
    • The old coins were still untarnished, as if they had been minted yesterday.
    • She wore an untarnished brass locket that her grandmother had given her.
    • The silverware remained untarnished after decades of careful polishing.
  2. Not spoiled or damaged in reputation; pure and without fault.
    • His untarnished record as a judge earned him the respect of the community.
    • The charity has an untarnished reputation for honesty and transparency.
    • She left the company with her integrity untarnished despite the scandal.