We found one dictionary that defines the word at our wit's end:

General (1 matching dictionary)

1. at our wit's end, at our wits' end: Merriam-Webster

▸ Words similar to at our wit's end ▸ Usage examples for at our wit's end ▸ Idioms related to at our wit's end ▸ Wikipedia articles (New!) ▸ Words that often appear near at our wit's end ▸ Rhymes of at our wit's end ▸ Invented words related to at our wit's end