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
At ground level, the building feels almost improbably large, much of its underside shaded.
—
Ariana Marsh, Vogue, 21 Apr. 2026
The cotton underside is just insulating enough to work on your bed year-round, while the linen’s airflow lets heat escape for a naturally temperature-regulating combination.
—Caley Sturgill, Southern Living, 19 Apr. 2026
Cleaning pro Trish Duarte says this method works well for the underside of blades, blade edges, and the light figure part.
—Emily Benda Gaylord, The Spruce, 16 Apr. 2026
Start by turning the robot over, so its underside is exposed.
—Bestreviews, Chicago Tribune, 14 Apr. 2026
See All Example Sentences for underside
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Ariana Marsh, Vogue, 21 Apr. 2026
The cotton underside is just insulating enough to work on your bed year-round, while the linen’s airflow lets heat escape for a naturally temperature-regulating combination.
—Caley Sturgill, Southern Living, 19 Apr. 2026
Cleaning pro Trish Duarte says this method works well for the underside of blades, blade edges, and the light figure part.
—Emily Benda Gaylord, The Spruce, 16 Apr. 2026
Start by turning the robot over, so its underside is exposed.
—Bestreviews, Chicago Tribune, 14 Apr. 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 28 Apr. 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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