as in to freeze
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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Example Sentences
Recent Examples of Synonyms for firm (up)
Verb
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That stasis quickly froze America’s most desirable metro areas, leaving them unable to build enough housing to meet demand.—
Marina Bolotnikova,
Vox,
7 July 2025 -
The study confirms the central role played by federal funding in supporting STEM doctoral research, a finding that comes as the Trump administration is freezing and cancelling billions of dollars in government funding across a broad swath of scientific areas.—
Michael T. Nietzel,
Forbes.com,
7 July 2025
Verb
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Iran rejects tight restrictions on its nuclear program and has hardened its stance after Israel and the U.S. targeted its nuclear facilities in June.—
Amira El-Fekki,
MSNBC Newsweek,
8 July 2025
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They’d be hardened to anything that life and work threw their way.—
Jodie Cook,
Forbes.com,
7 July 2025
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“Firm (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/firm%20%28up%29. Accessed 19 Jul. 2025.
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