We found one dictionary that defines the word not in use:

Business (1 matching dictionary)

1. not in use: Legal dictionary

Phrases: not in use anymore, not in good use, more... ▸ Words similar to not in use ▸ Usage examples for not in use ▸ Idioms related to not in use ▸ Wikipedia articles (New!) ▸ Words that often appear near not in use ▸ Rhymes of not in use ▸ Invented words related to not in use