Verb break open has 3 senses
- break open - open with force; "He broke open the the picnic basket"
--1 is one way to open, open up
They want to break open the doors
- burst, split, break open - break open or apart suddenly; "The bubble burst"
--2 is one way to break, separate, split up, fall apart, come apart
Somebody ----s something
Something ----s something
- erupt, irrupt, flare up, flare, break open, burst out - erupt or intensify suddenly; "Unrest erupted in the country"; "Tempers flared at the meeting"; "The crowd irrupted into a burst of patriotism"
--3 is one way to intensify, deepen