as in freezes
to become physically firm or solid
wait for the modeling clay to firm up before handling the finished pot
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for firms (up)
Verb
-
This happens when the younger, smooth bark heats up on the south or southwest side of the trunk on sunny winter days, then quickly freezes as temperatures drop quickly at night.—
Luke Miller,
Better Homes & Gardens,
11 Jan. 2026 -
Also, place freezes with ChexSystems and the National Consumer Telecom and Utilities Exchange to stop criminals from opening bank accounts, phone lines, or utility services in his name.—
Kurt Knutsson,
FOXNews.com,
11 Jan. 2026
Verb
-
Then the storm moves on, the sun returns, and the surface hardens again, cracked and chalky, as if the place is trying to erase the evidence that water ever touched it.—
MacKenzie Sigalos,
CNBC,
1 Jan. 2026
-
But her attitude toward them eventually hardens.—
The New Yorker,
New Yorker,
5 Dec. 2025
Verb
-
The schedule stiffens over the final four with Green Bay and Jacksonville at home, a Christmas night game at Kansas City and then Week 18 at home against the Los Angeles Chargers.—
Parker Gabriel,
Denver Post,
30 Nov. 2025
-
The light stiffens and grabs hold of us.—
Literary Hub,
Literary Hub,
7 Nov. 2025
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Cite this Entry
“Firms (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/firms%20%28up%29. Accessed 17 Jan. 2026.
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