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
Pulling back wallpaper with mold on the underside, for instance, can scatter spores throughout the home.
—
Ryan Brennan
may 8, Charlotte Observer, 8 May 2026
Balogun had found a lump on the underside of her jaw while washing her face four months previously, and now her career and identity were about to be upended.
—George Ramsay, New York Times, 7 May 2026
The New Jersey State Police said a landing tire and the underside of the plane also hit a truck, and the light pole then struck a Jeep that was on the highway.
—Los Angeles Times, 5 May 2026
The New Jersey State Police said a landing tire and the underside of the plane also hit a truck, and the light pole then struck a Jeep that was on the highway.
—ABC News, 3 May 2026
See All Example Sentences for underside
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Ryan Brennan
may 8, Charlotte Observer, 8 May 2026
Balogun had found a lump on the underside of her jaw while washing her face four months previously, and now her career and identity were about to be upended.
—George Ramsay, New York Times, 7 May 2026
The New Jersey State Police said a landing tire and the underside of the plane also hit a truck, and the light pole then struck a Jeep that was on the highway.
—Los Angeles Times, 5 May 2026
The New Jersey State Police said a landing tire and the underside of the plane also hit a truck, and the light pole then struck a Jeep that was on the highway.
—ABC News, 3 May 2026
See All Example Sentences for underside
Cite this Entry
“Underside.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underside. Accessed 12 May. 2026.
Copy CitationKids Definition
underside
noun
un·der·side
ˈən-dər-ˌsīd
ˌən-dər-ˈsīd
: the side or part lying underneath
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