at your wits' end

at (one's) wit's end

In a state of distress that is reached when someone has no more patience. The baby's been crying for hours, and I'm at my wit's end! I'm already at my wit's end, so if this train gets delayed too, I'm going to scream.
See also: end

at your wits' end

COMMON If you are at your wits' end, you are extremely worried about a serious problem that you have tried hard to solve but cannot. Josh became very difficult after his father's death: he was rebellious and rude, and refused to go to school. I was at my wits' end. We row all the time and I'm at my wit's end.
See also: end
References in periodicals archive ?
AT your wits' end worrying how you'll pay for your child's education?
A I DON'T see how you can be at your wits' end when any fool can see you don't have any.
When launched, nearly 200 million cellphone users will be able to interact anytime, wherever they go for BINGO-related mobile media services including: BINGO news and alerts (what's going on); sweepstakes (chances to win daily and monthly prizes and cash); a daily text "Fortune Cookie" (see how lucky you are each day, advice for when you're at your wits' end, humor, etc.
The services include: alerts and sweepstakes (chances to win daily and monthly prizes and cash); a daily "Fortune Cookie" (see how lucky you are each day, advice for when you're at your wits' end, humor, etc.