Translation guide
Describes liquid rising and spilling out of a container while boiling, or figuratively, emotions becoming uncontrollable.
To describe a liquid that rises and spills over the sides of a pot or container while boiling.
The most common and natural way to say a liquid boils over. Used for pots, kettles, etc.
The pot is about to boil over.
Similar to 吹きこぼれる, but emphasizes the boiling action. Slightly less common.
The soup boiled over and made the stove dirty.
Means 'to overflow' in general, not specifically from boiling. Can be used for boiling over but is less precise.
To describe feelings, especially anger or excitement, becoming uncontrollable.
Do not use 吹きこぼれる for emotions. It only applies to physical liquids. For emotions, use metaphors like 爆発する or idiomatic phrases.
The milk boiled over.
お湯があふれた。
The hot water overflowed.
His anger boiled over.
An idiomatic expression meaning 'the string of one's patience bag snaps', i.e., patience runs out and anger boils over.
Finally, my patience boiled over.
Describes anger welling up, often to the point of boiling over.
Anger boiled over and I couldn't hold it back.