1. start abruptly

Definition categories: change, begin, start

2. erupt or intensify suddenly

- Unrest erupted in the country

Similar word(s): flare, irrupt

Definition categories: change, deepen, intensify

3. start to burn or burst into flames

Similar word(s): combust, conflagrate, ignite

Definition categories: weather, turn

4. break out

- The tooth erupted and had to be extracted

Definition categories: change, appear

5. become active and spew forth lava and rocks

- Vesuvius erupts once in a while

Similar word(s): belch, extravasate

Definition categories: change, burst, explode

6. force out or release suddenly and often violently something pent up

- erupt in anger

Similar word(s): break, burst

Definition categories: emotion

7. appear on the skin

- A rash erupted on her arms after she had touched the exotic plant

Definition categories: change, appear

8. become raw or open

Similar word(s): recrudesce

Definition categories: change, ail, pain, trouble

Sentences with erupt as a verb:

- The volcano erupted, spewing lava across a wide area.

- The third molar tooth erupts late in most people, and sometimes does not appear at all.

- The crowd erupted in anger.