- Expand
- Grow deeper
- Intensify
- Lower down
- Make more intense
- To make deep or deeper; to increase the depth of; to
sink lower; as, to deepen a well or a channel.
- To make darker or more intense; to darken; as, the event
deepened the prevailing gloom.
- 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