What is the opposite of word subside?

The opposite of "subside" depends on the context, as it can have multiple meanings:

If "subside" means to become less intense or severe:

* Increase

* Escalate

* Worsen

* Intensify

* Flare up

* Rise

* Surge

If "subside" means to settle down or become calm:

* Erupt

* Flare up

* Agitate

* Stir up

* Exacerbate

* Unleash

* Provoke

If "subside" means to sink or settle:

* Rise

* Float

* Elevate

* Ascend

Example:

* The storm subsided after a few hours. (Opposite: The storm intensified after a few hours.)

* The crowd subsided once the concert ended. (Opposite: The crowd erupted once the concert ended.)

* The floodwaters subsided after a week. (Opposite: The floodwaters rose after a week.)

Therefore, the best opposite for "subside" depends on the specific context in which it is used.