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Showing results for underside. Search instead for undertide.
Synonyms

underside

American  
[uhn-der-sahyd] / ˈʌn dərˌsaɪd /

noun

  • undersides
    plural
  1. an under or lower side.


underside British  
/ ˈʌndəˌsaɪd /

noun

  1. the bottom or lower surface

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms


Etymology

Origin of underside

First recorded in 1670–80; under- + side 1


Vocabulary lists containing underside

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The glow is most pronounced on the yellow underside of their bodies and along their sides.

From Science Daily ● Oct. 28, 2026

In Grenen, the northernmost point in Denmark, Ms. Korsgaard lies in the sand on her belly to inspect the lyrically named green hairstreak, its wings “jade green on the underside, with a metallic sheen.”

From The Wall Street Journal ● Sep. 11, 2026

Gotham is able to distinguish between the animals largely thanks to "fluke prints": whales have unique patterns on the underside of their tails, similar to human fingerprints, St. Lawrence explained.

From Barron's ● Aug. 18, 2026

As a result of the changes, Dembele filled his boots after Mbappe struck the underside of the crossbar inside the opening minute.

From BBC ● Jun. 26, 2026

Arachne had the body of a giant black widow, with a hairy red hourglass mark on the underside of her abdomen and a pair of oozing spinnerets.

From "The Mark of Athena" by Rick Riordan

Over two days in July, his team did eight one-hour dives, exploring the undersides of rocky reefs to count the eggs.

From BBC ● Aug. 29, 2026

Aescape has heated “hands,” which look like giant pads with touch points on their undersides.

From Los Angeles Times ● Dec. 3, 2024

Rignot said the project helped him and his colleagues develop a better understanding of the behavior of seawater on undersides of Thwaites Glacier.

From Science Daily ● May 20, 2024

More walnuts — this time sliced so that their intricate innards are revealed as crisp cross-sections — are attached to the undersides of the beveled-glass tops of coffee tables, like specimens captured on microscope slides.

From New York Times ● May 11, 2024

Its tall steeple was a pyramid of fire, the flames licking the undersides of the clouds that scuttled above.

From "Chains" by Laurie Halse Anderson

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