insupportable

But given how the Biden case unfolded, it would have been insupportable to have a special counsel for one and not for the other.

The long-running myth that the rebel generals had no connection to racism became insupportable when contemporary white supremacists swaddled themselves in Confederate symbols.

Most people would have termed her a splendid woman of her age: and so she was, no doubt, physically speaking; but then there was an expression of almost insupportable haughtiness in her bearing and countenance.

We are as a society — and by "we" I mean virtually all of us on the planet — brought up to believe howling absurdities, ridiculous impossibilities, and insupportable malarkey from our very first moments on Earth.

“That position is insupportable as a matter of precedent and common sense,” he wrote.