We found one dictionary that defines the word be under the weather:

Miscellaneous (1 matching dictionary)

1. be under the weather: Idioms

▸ Words similar to be under the weather ▸ Usage examples for be under the weather ▸ Idioms related to be under the weather ▸ Wikipedia articles (New!) ▸ Words that often appear near be under the weather ▸ Rhymes of be under the weather ▸ Invented words related to be under the weather