untarnished
US /ʌnˈtɑːr.nɪʃd/
UK /ʌnˈtɑːr.nɪʃd/
1.
onbevlekt
If someone has an untarnished reputation, etc., it has not been spoiled or damaged, and people's opinion of the person continues to be good:
:
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From the very beginning, she has been an aloof, mysterious figure, untarnished by scandal.