be at the end of (one's) tether

be at the end of (one's) tether

To be completely worn out, exasperated, or exhausted; to have no more patience, endurance, or energy left. Joshua started throwing a tantrum this afternoon, and with all the other things I have to get done, I'm at the end of my tether!

See also: end, of, tether

be at the ˌend of your ˈtether

(British English) (American English be at the ˌend of your ˈrope) having no more patience or strength left: After two hours of hearing the children shout and argue, I really was at the end of my tether.

See also: end, of, tether