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unstainable

[uhn-stey-nuh-buh l]
adjective
  1. that cannot be spotted or stained, as garments.
  2. that cannot be morally reprehensible: an unstainable person.
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Origin of unstainable

1575–85; un-1 + stainable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for unstainable

Historical Examples

  • For some time the manufacturer triumphed, and it became known that Hart's red 'Angel-backs' were unstainable.

    Sharps and Flats

    John Nevil Maskelyne

  • It was said to be untarnishable and unstainable even when used with the strongest acid foods, as well as non-rusting.