We found one dictionary that defines the word without becoming upset:

General (1 matching dictionary)

1. without becoming upset: Rhymezone

Definitions from WordNet (without becoming upset) ▸ adverb:  without losing equilibrium ▸ Words similar to without becoming upset ▸ Usage examples for without becoming upset ▸ Idioms related to without becoming upset ▸ Wikipedia articles (New!) ▸ Words that often appear near without becoming upset ▸ Rhymes of without becoming upset ▸ Invented words related to without becoming upset