at the end of (one's) rope

Related to at the end of (one's) rope: feet of clay

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.
See also: end, of, rope
Farlex Dictionary of Idioms.

at the end of one's rope

 and at the end of one's tether
Fig. at the limits of one's endurance. I'm at the end of my rope! I just can't go on this way! These kids are driving me out of my mind. I'm at the end of my tether.
See also: end, of, rope
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

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]
See also: end, of
The American Heritage® Dictionary of Idioms by Christine Ammer.

at the end of (one's) rope

/tether
Out of energy or patience; exhausted or exasperated.
See also: end, of, rope
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • at the end of rope
  • end of one's rope, at the
  • drive someone up the wall
  • drive up the wall
  • drive/send somebody up the wall
  • drive (one) up the wall
  • drive one out of mind
  • drive somebody out of their mind/wits
  • drive (one) out of (one's) mind
  • drive (one) round the twist