Select the meaning of the given idiom.

Be at your wits' end

Be overwhelmed with problems

The most appropriate meaning of the idiom "be at your wits' end" is to be overwhelmed with problems.

This idiom is used to describe someone who is so stressed or confused by a problem that they do not know what to do. It is often used to describe someone who is at the end of their rope and does not know how to solve a problem.

For example, you might say "I'm at my wits' end with this project. I can't figure out how to make it work." This means that you are so frustrated with the project that you do not know what to do next.

The other options are not as accurate descriptions of the meaning of the idiom.

• To be overjoyed: This idiom means to be very happy.
• Careful thinking: This idiom means to think carefully about something.
• Do something confidently: This idiom means to do something without hesitation or doubt.