We found one dictionary that defines the word not supposed to:

Miscellaneous (1 matching dictionary)

1. not supposed to: Idioms

Phrases: not supposed to happen, not supposed to be there, not supposed to exist, not supposed to be here, not supposed to do, more... ▸ Words similar to not supposed to ▸ Usage examples for not supposed to ▸ Idioms related to not supposed to ▸ Wikipedia articles (New!) ▸ Words that often appear near not supposed to ▸ Rhymes of not supposed to ▸ Invented words related to not supposed to