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

"One of the key conclusions in our report is that the NHS needs to reform to become more financially sustainable, rather than reinventing back to where we were before the pandemic on an already unstainable model, " he said.

From BBC

Colleges have laid off thousands of workers to cut costs, but the letter says the pared-down operations will unstainable without additional federal help.

From Washington Times

Programs in Canada and Finland were scrapped for being unstainable.

From Fox News

As everything comes to a head, Sidney finds himself in his white suit, made of the new indestructible, unstainable cloth, being chased by manufacturers, laborers, colleagues, and pretty much everyone else who has realized that what they really cannot abide is a smartass scientist who didn’t think to talk to them before doing research he claimed was for their own good.

From Slate

“The fact that we find that a homicide prosecution would be unstainable doesn’t mean there weren’t things that happened that weren’t wrong,” he said at a news conference Thursday, following the seven-month investigation.

From Washington Times