as in to freeze
to become physically firm or solid
wait for the modeling clay to firm up before handling the finished pot
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Example Sentences
Recent Examples of Synonyms for firm (up)
Verb
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So far, Walker has issued mixed rulings in the case, freezing some portions of the law but allowing other parts to go into effect, even as the campaigns try to gather enough signatures from voters to qualify for the 2026 ballot.—
Kate Payne,
Sun Sentinel,
12 Aug. 2025 -
Progressives tout rent freezes as a solution to our housing crisis.—
Ben Proto,
Hartford Courant,
12 Aug. 2025
Verb
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But the mood in Israel hardened dramatically when, on July 31, Hamas released a video of the skeletal 21-year-old Israeli hostage Rom Braslavski, weeping and in pain.—
Emily Rose,
USA Today,
12 Aug. 2025
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Coconut oil will harden when cold, leaving you with solid chocolate candy for later.—
Lauren Panoff,
Verywell Health,
11 Aug. 2025
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“Firm (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/firm%20%28up%29. Accessed 20 Aug. 2025.
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