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

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Synonyms & Antonyms for undersurface

Synonyms: Noun

bottom, underbelly, underbody, underpart, underside

Antonyms: Noun

face, top

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Examples of undersurface in a Sentence


painted the undersurface of the plane blue

Recent Examples on the Web: Noun

The spots enlarge and are mirrored on the undersurface of the leaf with a white downy growth. The Editors Of Organic Life, Good Housekeeping, "Grow Healthy Food By Identifying + Treating These Common Plant Diseases," 21 July 2015 When the undersurface of the first tablet was revealed, Dr. White got chills. Joanna Klein, New York Times, "In the Caves of Ancient Humans, Stories Told Dot by Dot," 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.

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

The first known use of undersurface was in 1733

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Thesaurus: All synonyms and antonyms for undersurface

Comments on undersurface

What made you want to look up undersurface? Please tell us where you read or heard it (including the quote, if possible).


one from the Upper Peninsula of Michigan

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