Some inexcusable mistake has been made.

Peter Crouch's goal did not make up for the almost inexcusable mistakes.

One night she makes an inexcusable mistake, leaving her children home alone while she goes out on a singing engagement.

It's easy to pinpoint why: inexcusable mistakes.

White House officials have called the incident an innocent, though inexcusable, mistake.

It was, they both realized, a stupid and inexcusable mistake.

He had made an insupportable, inexcusable, indefensible mistake.

An inexcusable mistake and one that could well have been fatal.

My inexcusable mistake, as a con man never stops being a con man; he can't.

I made the inexcusable mistake of not, checking on it immediately.