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
Wipe down the blades and body of the mower, and use a large putty knife to clean the underside of the deck.
—
Megan Hughes, Better Homes & Gardens, 12 June 2026
Stamps or maker’s marks are often located on the underside of items.
—Sarah Lyon, Southern Living, 12 June 2026
And in San Clemente, the pier was closed until Wednesday afternoon as waves reached its underside and appeared to break off some wood and wash it to shore.
—Laylan Connelly, Oc Register, 11 June 2026
Start spraying at the bottom of the plant's stalk, focusing on the undersides of the leaves where pests often hide.
—Sj McShane, Martha Stewart, 11 June 2026
See All Example Sentences for underside
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Megan Hughes, Better Homes & Gardens, 12 June 2026
Stamps or maker’s marks are often located on the underside of items.
—Sarah Lyon, Southern Living, 12 June 2026
And in San Clemente, the pier was closed until Wednesday afternoon as waves reached its underside and appeared to break off some wood and wash it to shore.
—Laylan Connelly, Oc Register, 11 June 2026
Start spraying at the bottom of the plant's stalk, focusing on the undersides of the leaves where pests often hide.
—Sj McShane, Martha Stewart, 11 June 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 17 Jun. 2026.
Copy CitationKids Definition
underside
noun
un·der·side
ˈən-dər-ˌsīd
ˌən-dər-ˈsīd
: the side or part lying underneath
Love words? Need even more definitions?
Merriam-Webster unabridged
