We found 3 dictionaries that define the word to break in upon:

General (3 matching dictionaries)

1. to break in upon: Wordnik
2. To break in upon: Dictionary.com
3. to break in upon: FreeDictionary.org

▸ Words similar to to break in upon ▸ Usage examples for to break in upon ▸ Idioms related to to break in upon ▸ Wikipedia articles (New!) ▸ Words that often appear near to break in upon ▸ Rhymes of to break in upon ▸ Invented words related to to break in upon