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1. Open with force
   "He broke open the picnic basket"
    
2. Come open suddenly and violently, as if from internal pressure
   - burst, split
    
3. Erupt or intensify suddenly
   - erupt, irrupt, flare up, flare, burst out

Derived forms: breaking open, broke open, breaks open, broken open

Type of: break, come apart, deepen, fall apart, intensify, open, open up, separate, split up

Encyclopedia: Break open