1. at a loss about what to do next; in a state of frustration; at the limits of one’s mental resources.

1. She was at her wits’ end trying to figure out how to control her 14-year-old son.

2. I’m at my wit’s end with this problem. I cannot figure it out.

3. Tom could do no more. He was at his wit’s end.

4. When the woman looked around and couldn’t find her little daughter, she looked up and down every aisle in the store until she was at her wits’ end. She was almost hysterical when another customer in the store suggested that she notify the store’s security officer.

5. We can’t seem to persuade our son to stay in school. We have tried every argument we can think of, but nothing seems to help. We don’t know what to do, and we’re at our wits’ end.