as in bottom
the side or part facing downward from something
the underside of the cat's coat is pure white
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
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.
Recent Examples of underside
In images shared by HM Coastguard Canvey, the bluish-gray carcass appears to have scarring along its underside, with no clear indication of its cause of death.
—
Moná Thomas,
PEOPLE,
15 June 2026
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
See All Example Sentences for underside
Moná Thomas,
PEOPLE,
15 June 2026
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
See All Example Sentences for underside
Recent Examples of Synonyms for underside
bottom
Noun
-
Both of these sightings were enough to convince me to add the summer-ready bottoms to my own wardrobe (seriously, the pants have been living rent-free in my mind since her initial outfit).
-
Haiti trails at the bottom with 0.
Cite this Entry
“Underside.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underside. Accessed 27 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
