boil up

phrasal verb
boiled up; boiling up; boils up

Definition of boil up

: to grow toward a dangerous level He could feel the anger boiling up inside him.

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Cite this Entry

“Boil up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boil%20up. Accessed 22 Sep. 2020.

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