Definitions:

1. to have a sudden skin rash or episode of acne verb
   • My skin is breaking out.
2. to move away or escape suddenly verb
   • I wanted to break out from the terrible dinner party.
3. to start abruptly verb
   • We broke out into a full speed run.
4. to take from stowage in preparation for use verb
   • You can break out the big guns now.

Synonyms:

• break
• erupt