stain verb (MARK)
C2 [ I or T ] to leave a mark on something that is difficult to remove:
› [ I ] If a material stains, it absorbs substances easily, causing it to become covered with marks, or coloured by a chemical:
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stain verb (SPOIL)
C2 [ T ] literary to permanently spoil something such as someone's reputation:
Several important politicians have had their reputations stained by this scandal.
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