underside
noun
un·der·side
ˈən-dər-ˌsīd 
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
Diamondback Moth: Small brown caterpillars just 0.5 inches prior to pupation in loosely woven cocoons on the underside of brassica leaves.
—
Mary Marlowe Leverette, Southern Living, 14 Aug. 2025
Bulky footwear can impede mobility when your heel is on the bottom of the kayak, and can force a tight fit when placing your feet on the underside of the deck.
—Clay Abney, Travel + Leisure, 14 Aug. 2025
After Thompson exited the bathroom, the girl noticed red stickers on the underside of the open toilet seat lid, the documents said.
—Thao Nguyen, USA Today, 25 July 2025
Their undersides are paler with some black markings.
—Aspen Pflughoeft
july 24, Miami Herald, 24 July 2025
See All Example Sentences for underside
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Mary Marlowe Leverette, Southern Living, 14 Aug. 2025
Bulky footwear can impede mobility when your heel is on the bottom of the kayak, and can force a tight fit when placing your feet on the underside of the deck.
—Clay Abney, Travel + Leisure, 14 Aug. 2025
After Thompson exited the bathroom, the girl noticed red stickers on the underside of the open toilet seat lid, the documents said.
—Thao Nguyen, USA Today, 25 July 2025
Their undersides are paler with some black markings.
—Aspen Pflughoeft
july 24, Miami Herald, 24 July 2025
See All Example Sentences for underside
Cite this Entry
“Underside.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underside. Accessed 28 Aug. 2025.
Copy CitationKids Definition
underside
noun
un·der·side
ˈən-dər-ˌsīd
ˌən-dər-ˈsīd
: the side or part lying underneath
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