- Boil over
- Break out suddenly
- Burst suddenly into fire
- Ignite quickly
- Ignite quickly; intensify
- intensify
- Sudden burst of fire or light
- Become greater
- Case involves late increase
- Expand (conflict)
- Increase in extent or intensity
- Increase in intensity
- Increase rapidly
- Intensify
- Made harsher
- suppurated
- of Intensify
- Stepping up if ninety sing wrong composition
- of Intensify