unendorse

Etymology

From un- + endorse.

unendorse means to revoke one's endorsement of. Lexicurio rates it Rare gem — a strength score of 77 out of 100.

verb

To revoke one's endorsement of.““In 48 hours, we went from the president threatening to un-endorse Republicans and hauling them into the Situation Room to his surrendering to math,” said Mr. [Ro] Khanna, who also predicted a unanimous vote.”