unstainable

[ uhn-stey-nuh-buhl ]

adjective

1. that cannot be spotted or stained, as garments.
2. that cannot be morally reprehensible:

   an unstainable person.

Word History and Origins

Origin of unstainable¹

1575–85; un- ¹ + stainable ( def )

Example Sentences

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

From Project Gutenberg

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

From Project Gutenberg