un·​der·​side | \ ˈən-dər-ˌsīd How to pronounce underside (audio) , ˌən-dər-ˈsīd \

Definition of underside

1 : the side or surface lying underneath
2 : a side usually hidden from sight specifically : the more unpleasant or reprehensible side the underside of politics

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Synonyms & Antonyms for underside



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Examples of underside in a Sentence

the underside of the table The book explores the underside of human nature.
Recent Examples on the Web These chic tea towels may look plush, but their underside hides a mildly abrasive texture that’s perfect for scrubbing away stubborn grime and build-up. Braelyn Wood, Health.com, "These 7 Alternatives to Paper Towels Are the Perfect Sustainable Swap During the Shortage," 13 May 2020 The 4-inch-long frog named for the reddish color on the underside of its legs is expected to fare well. Los Angeles Times, "Race to save rare California frog beats coronavirus lockdown," 9 Apr. 2020 At first glance, this is indeed a fascinating observation, the kind of factoid that might appear on the underside of a Snapple cap. Marina Koren, The Atlantic, "Four Measurable Ways the Coronavirus Is Changing the Planet," 2 Apr. 2020 The very small non-native insect attaches itself to the underside of the tree’s needle base and feeds on the tree’s carbohydrates. cleveland, "St. Joan of Arc hosts Lenten speaker series including a Hollywood actor: Valley Views," 9 Feb. 2020 The Losharik is designed to fasten to its underside, so it can be carried along for servicing, transport over long distances or — as may have happened on July 1 off Norway — rescue. James Glanz, New York Times, "A Deep-Diving Sub. A Deadly Fire. And Russia’s Secret Undersea Agenda.," 20 Apr. 2020 Sea ice and the algae that grows on its dimly illuminated underside provide an essential habitat for immature krill. Lucy Jakub, Harper's magazine, "A View to a Krill," 2 Mar. 2020 The Chinese fire belly newt (Cynops orientalis) lives up to its name with a vivid pattern of biofluorescence on its underside. Stephanie Pappas, Scientific American, "Salamanders and Frogs Light Up with Secret Superpower," 27 Feb. 2020 Neglected and abandoned, Red, a rescue dog, showed clear signs of physical abuse, as he was found two years ago with cigarette burns on his underside. Michelle Iracheta, Houston Chronicle, "Liberty County pup Red sworn in as K-9 Deputy Dog," 6 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'underside.' 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 underside

1660, in the meaning defined at sense 1

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Time Traveler for underside

Time Traveler

The first known use of underside was in 1660

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Statistics for underside

Last Updated

28 May 2020

Cite this Entry

“Underside.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underside. Accessed 3 Jun. 2020.

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More Definitions for underside


How to pronounce underside (audio)

English Language Learners Definition of underside

: the bottom side or part of something
: a part of life, a city, etc., that is hidden and usually unpleasant


un·​der·​side | \ ˈən-dər-ˌsīd How to pronounce underside (audio) \

Kids Definition of underside

: the side or surface lying underneath the underside of a leaf

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More from Merriam-Webster on underside

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Rhyming Dictionary: Words that rhyme with underside

Spanish Central: Translation of underside

Nglish: Translation of underside for Spanish Speakers

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