To burst out or break forth.
An eruption; the sudden appearance of a rash, disease, etc.
Synonym of breakout (“escape from prison”)
An outburst or sudden eruption, especially of violence and mischief.
A sudden increase.
To break out; to escape.
Used other than figuratively or idiomatically: see spring, out.
To emerge or arise.
To spend the season of spring in outdoor pursuits such as camping.