Inexcusable \In`ex*cus"a*ble\, a. [L. inexcusabilis: cf. F. inexcusable. See {Excuse}.] Not excusable; not admitting excuse or justification; as, inexcusable folly.
Therefore thou art inexcusable, O man, whosoever thou art that judgest; for wherein thou judgest another, thou condemnest thyself; for thou that judgest doest the same things. --Rom. ii. 1.
He generously refers to an interviewer's questions of a law student as "inexplicable and inexcusable."
The former president said he made the "inexcusable error" of asking the CIA to block an FBI probe of the Watergate break-in, but that the CIA declined.
It wasn't a serious statement." Marilyn Rickman, head of the Texas Women's Political Caucus, which has endorsed Ms. Richards for governor, said Saturday that Williams' remark was inexcusable.
She did it with inexcusable regularity in the last days of the campaign," he said.