| Rise |
| Go up |
| Mount |
| Raise |
| Swell! |
| Heat up |
| Step up |
| Rise up |
| Increase |
| Carry up |
| Snowball |
| Intensify |
| Jack (up) |
| Kick up ___ |
| Grow rapidly |
| Intensify (war) |
| Increase rapidly |
| Grow more intense |
| Get out of control |
| Increase a conflict |
| Intensify (conflict) |
| Increase in intensity |
| Step up, as a conflict |
| Increase rapidly, as prices |
| Get higher and higher, as a situation or moving steps |