as in bottom
the side or part facing downward from something
the underside of the cat's coat is pure white
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Recent Examples of underside
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 plane’s landing tire and underside also hit a delivery truck; the pole then struck a Jeep, injuring the driver, who was hospitalized with minor injuries.
—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
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 plane’s landing tire and underside also hit a delivery truck; the pole then struck a Jeep, injuring the driver, who was hospitalized with minor injuries.
—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
Recent Examples of Synonyms for underside
bottom
Noun
-
Montgomery played a factor in the bottom of the fifth with a one-out single.—
LaMond Pope,
Chicago Tribune,
14 May 2026
-
The back of Cy Young Award finalist Hunter Brown’s jersey is visible at the bottom.—
Chandler Rome,
New York Times,
13 May 2026
Cite this Entry
“Underside.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underside. Accessed 20 May. 2026.
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