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
After the dog zeroed in on the underside of the SUV, the driver was detained, and the vehicle was taken to a secondary screening area.
—
Alex Riggins, San Diego Union-Tribune, 7 Mar. 2026
The underside of the bridge is rusting and deteriorating.
—Chris Hoffman, CBS News, 6 Mar. 2026
The amphipods feed on algae that grows on the underside of the ice, so less ice means less food to fuel the whales for their journey.
—Erika I. Ritchie, Oc Register, 5 Mar. 2026
Clean the underside of your table the same way.
—Karen Brewer Grossman, Southern Living, 5 Mar. 2026
See All Example Sentences for underside
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Alex Riggins, San Diego Union-Tribune, 7 Mar. 2026
The underside of the bridge is rusting and deteriorating.
—Chris Hoffman, CBS News, 6 Mar. 2026
The amphipods feed on algae that grows on the underside of the ice, so less ice means less food to fuel the whales for their journey.
—Erika I. Ritchie, Oc Register, 5 Mar. 2026
Clean the underside of your table the same way.
—Karen Brewer Grossman, Southern Living, 5 Mar. 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 11 Mar. 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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