un·​der·​sur·​face | \ ˈən-dər-ˌsər-fəs How to pronounce undersurface (audio) \

Definition of undersurface

 (Entry 1 of 2)


un·​der·​sur·​face | \ ˌən-dər-ˈsər-fəs How to pronounce undersurface (audio) \

Definition of undersurface (Entry 2 of 2)

: existing or moving below the surface

Synonyms & Antonyms for undersurface

Synonyms: Noun

Antonyms: Noun

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Examples of undersurface in a Sentence

Noun painted the undersurface of the plane blue
Recent Examples on the Web: Noun Scientists observed a beetle walking upside-down on the undersurface of a pool of water. New York Times, 26 July 2021 The spots enlarge and are mirrored on the undersurface of the leaf with a white downy growth. The Editors Of Organic Life, Good Housekeeping, 21 July 2015 When the undersurface of the first tablet was revealed, Dr. White got chills. Joanna Klein, New York Times, 7 Mar. 2017

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

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First Known Use of undersurface


1733, in the meaning defined above


circa 1934, in the meaning defined above

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Time Traveler for undersurface

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The first known use of undersurface was in 1733

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Dictionary Entries Near undersurface



under suspicion

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Cite this Entry

“Undersurface.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undersurface. Accessed 26 Nov. 2021.

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