sully

noun
  1. 1

    A blemish.

verb
  1. 1

    To soil or stain; to dirty.

    โ€œHe did not wish to sully his hands with gardening.โ€

    syn:sowl
  2. 2

    To corrupt or damage.

    โ€œShe tried to sully her rivalโ€™s reputation with a suggestive comment.โ€

  3. 3

    (intransitive ) To become soiled or tarnished.

Synonyms

Source: https://en.wiktionary.org/wiki/sully