1. not marked or discolored by stains; clean
2. not morally corrupted or tainted; pure
Usage: figurative

Examples

• The white tablecloth remained unstained throughout the dinner party.
• She wore an unstained apron while cooking.
• The laboratory required unstained glass slides for the experiment.
• His unstained reputation made him the perfect candidate for the position.
• The witness testified with an unstained conscience.
• The unstained marble floor gleamed under the lights.