upboil
/ʌpˈbɔɪl/
verb
- To boil up or rise in bubbles; to bubble over or erupt.
- Lava upboils from the volcano's crater during an eruption.
- The soup began to upboil and spill over the pot's edge.
- The milk upboiled quickly and made a mess on the stove.
- To become very angry or emotional; to erupt in anger.
- Her patience upboiled after the third delay.
- Tensions upboiled during the heated argument.
- His frustration upboiled when he heard the unfair news.
Antonyms