up·​thrust | \ ˈəp-ˌthrəst How to pronounce upthrust (audio) \
upthrusted; upthrusting; upthrusts

Definition of upthrust

 (Entry 1 of 2)

transitive verb

: to thrust up especially : to elevate (a part of the earth's surface) in an upthrust

intransitive verb

: to rise with an upward thrust



Definition of upthrust (Entry 2 of 2)

: an upward thrust specifically : an uplift of part of the earth's crust

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Synonyms & Antonyms for upthrust

Synonyms: Verb

Antonyms: Verb

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Examples of upthrust in a Sentence

Recent Examples on the Web: Noun Yes, the scientific phenomenon that allows something to float or sink, also known as upthrust. Molly Longman, refinery29.com, "Does Being Underwater Stop Your Period?," 9 July 2020 From an upthrust of land in the Shawangunk Mountains, Alfred looked down at Lake Mohonk and was smitten. Karl Zimmermann, Los Angeles Times, "Quaker twin brothers, a magical New York resort and why it mattered in Redlands," 3 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'upthrust.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of upthrust


1845, in the meaning defined at transitive sense


1846, in the meaning defined above

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Time Traveler for upthrust

Time Traveler

The first known use of upthrust was in 1845

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Cite this Entry

“Upthrust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/upthrust. Accessed 5 Mar. 2021.

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