1. to burst forth or break out suddenly and violently
Usage: often used of volcanoes, geysers, or other natural phenomena
2. to suddenly express strong emotion, especially anger
Usage: figurative use
3. to appear suddenly on the skin
Usage: medical context, referring to rashes or skin conditions

Examples

• The volcano erupts every few years, sending lava down the mountainside.
• Old Faithful erupts approximately every 90 minutes.
• The crowd erupts in cheers when the home team scores.
• She erupts in anger whenever someone mentions the incident.
• Violence erupts in the city after the controversial verdict.
• A rash erupts on his arms after exposure to poison ivy.
• The geyser erupts with boiling water and steam.