at the end of your tether

at the end of (one's) tether

Completely worn out, exasperated, or exhausted; having no more patience, endurance, or energy left. Joshua has been throwing a tantrum all afternoon, and with all the other things I have to get done, I'm simply at the end of my tether! Daniel's been at the end of his tether for weeks now—he has seriously got to get a different job!
See also: end, of, tether
Farlex Dictionary of Idioms.

at the end of your tether

COMMON If you are at the end of your tether, you are very upset because you are no longer able to deal with a difficult situation. I had tried every solution I could think of: I was at the end of my tether.
See also: end, of, tether
Collins COBUILD Idioms Dictionary, 3rd ed.

at the end of your tether

having no patience, resources, or energy left to cope with something.
A North American variant of this expression is at the end of your rope , and in both cases the image is that of a grazing animal tethered on a rope that allows it a certain range in which to move but which at full stretch prohibits further movement.
See also: end, of, tether
Farlex Partner Idioms Dictionary
See also:
  • at the end of (one's) tether
  • tether
  • be at the end of (one's) rope
  • be at the end of (one's) tether
  • be at the end of your tether
  • the end of (one's) rope
  • the end of (one's) tether
  • at the end of rope
  • end of one's rope, at the
  • at the end of (one's) rope
References in periodicals archive
"The reality of the situation is, by the day of this incident, you were at the end of your tether.
At the end of your tether? Is the boss pushing you towards a breaKdown?
When you're at the end of your tether and feel people are just mucking you about then it's time to let rip.
A YOU'RE at the end of your tether? What about your poor abused husband?
AS someone disabled who is now married to a disabled man, it sounds to me you're at the end of your tether.
When you are at the end of your tether, a drastic response can seem the only possible response.
IT is no wonder you are feeling at the end of your tether. Please don't allow these worries to depress you.