1 of 2


transitive verb

: to break up or open

intransitive verb

: to force a way up (as through the surface)


2 of 2


: an act or instance of breaking up
especially : eruption, outburst

Word History



Middle English upbreken, from up + breken to break

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Dictionary Entries Near upbreak

Cite this Entry

“Upbreak.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/upbreak. Accessed 17 Jun. 2024.

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