cost (one) dear

(redirected from cost her dear)

cost (one) dear

To bring one trouble; to result in very negative consequences. The crimes of his youth cost him dear when he started applying for jobs.
See also: cost, dear
References in classic literature ?
She had promised to wait for him, and did so with a faithfulness that cost her dear, because Mac forgot his appointment when the lessons were done, and became absorbed in a chemical experiment, till a general combustion of gases drove him out of his laboratory.
Sent off favourite, a tardy start cost her dear as she went down by just half a length.