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.

Common Names:

Name	Pronounced	Usage
Vikentiy	-	Russian
Derrick	DER-ik	English
Saturnino	sah-toor-NEE-no (Spanish, Italian)	Spanish, Italian, Portuguese
Theresa	tə-REE-sə (English), tə-RAY-zə (English), te-RE-zah (German)	English, German, Swedish, Norwegian, Danish
Sofia	zo-FEE-ah (German), so-FEE-ah (Italian), soo-FEE-ə (Portuguese), SO-fee-ah (Finnish)	Norwegian, Swedish, German, Italian, Portuguese, Catalan, Greek, Finnish, Estonian, Slovak, Romanian
Pyry	PUY-ruy	Finnish