1
: a wall forming the side of something
2
: the side of an automotive tire between the tread shoulder and the rim bead
Examples of sidewall in a Sentence
Recent Examples on the Web
The Marmot Halo four-person tent features a a low-profile design, with steep sidewalls, and a solid, nearly full-length rain fly, which, combined make this a livable haven in a storm.
—
Scott Gilbertson, Wired News, 11 Aug. 2025
And its wide base adds stability as does extra sidewall support.
—Stephanie Osmanski, Better Homes & Gardens, 3 Aug. 2025
But the officer botched the turn and instead hit the garage’s sidewall.
—Nick Sibilla, Forbes.com, 29 July 2025
The second pivots that bench around to a longitudinal position against the driver's sidewall, creating a vis-a-vis dining lounge in partnership with the passenger-side bench across the way.
—New Atlas, 15 July 2025
See All Example Sentences for sidewall
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Scott Gilbertson, Wired News, 11 Aug. 2025
And its wide base adds stability as does extra sidewall support.
—Stephanie Osmanski, Better Homes & Gardens, 3 Aug. 2025
But the officer botched the turn and instead hit the garage’s sidewall.
—Nick Sibilla, Forbes.com, 29 July 2025
The second pivots that bench around to a longitudinal position against the driver's sidewall, creating a vis-a-vis dining lounge in partnership with the passenger-side bench across the way.
—New Atlas, 15 July 2025
See All Example Sentences for sidewall
Cite this Entry
“Sidewall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sidewall. Accessed 20 Aug. 2025.
Copy CitationKids Definition
sidewall
noun
side·wall
-ˌwȯl 
1
: a wall forming the side of something
2
: the side of an automotive tire between the tread shoulder and the rim
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