We found one dictionary that defines the word when least expected:

Miscellaneous (1 matching dictionary)

1. when least expected: Idioms

▸ Words similar to when least expected ▸ Usage examples for when least expected ▸ Idioms related to when least expected ▸ Wikipedia articles (New!) ▸ Words that often appear near when least expected ▸ Rhymes of when least expected ▸ Invented words related to when least expected