underside

noun

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

Examples of underside in a Sentence

the underside of the table The book explores the underside of human nature.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Both tortoises were microchipped and the Egyptian tortoise was said to have a prominent scar on its underside, Indiana State Police said in a press release. Meredith Deliso, ABC News, 28 Oct. 2025 Use a magnifying glass, and look on the underside of foliage where mites like to hide. Arricca Elin Sansone, Southern Living, 27 Oct. 2025 The floor of the elevator lobby is made from a transparent stone that is painted on the underside to give it more depth. Julia Zaltzman, Robb Report, 27 Oct. 2025 Secured by six snaps, the removable top panel features nylon mesh on its underside to provide similar dust protection to the bottom filter. PC Magazine, 18 Oct. 2025 See All Example Sentences for underside

Word History

First Known Use

1660, in the meaning defined at sense 1

Time Traveler
The first known use of underside was in 1660

Browse Nearby Words

Cite this Entry

“Underside.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underside. Accessed 3 Nov. 2025.

Kids Definition

underside

noun
un·​der·​side ˈən-dər-ˌsīd How to pronounce underside (audio)
ˌən-dər-ˈsīd
: the side or part lying underneath

More from Merriam-Webster on underside

Last Updated: - Updated example sentences
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