end of one's rope, at the(redirected from at the end of one's tether)
at the end of (one's) rope
Having reached a point of utter exhaustion or exasperation; in a state at which one has no more patience, endurance, or energy left. The baby's been crying all morning, and I haven't slept properly in days. I'm just at the end of my rope! He's at the end of his rope trying to get this issue resolved.
end of one's rope, at the
Also, at the end of one's tether. At the limits of one's resources, abilities, endurance, or patience. For example, If that loan doesn't come through, we'll be at the end of our rope, or The workmen are driving me crazy; I'm at the end of my tether. This expression alludes to a tied-up animal that can graze only as far as the rope (or tether) permits. [Late 1600s]