# boil up

idiom

Source: https://englishreference.com/idiom/boil-up
Updated: 2026-08-10

## Meaning

To become more excited, intense or exciting.

## Examples

- The tension starts to boil up before the big game.
- As the final minutes of the match approached, the excitement began to boil up among the fans in the stadium.
- The long-standing resentment between the two rival factions continued to boil up, eventually reaching a point where conflict became inevitable.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.