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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The gargantuan geoengineering project would require half a million underwater drones to pull water from below the melting ice cap and spray it onto the surface to freeze.—
Jeanna Bryner,
Scientific American,
20 May 2025 -
Barkov started to slide the puck between his legs, freezing Raanta for a potential flip toward the net.—
Adam Lichtenstein,
Sun Sentinel,
19 May 2025
Verb
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Related article Ships, sea drones and AI: How NATO is hardening its defense of critical Baltic undersea cables CNN was not able to locate the registered owner of the Jaguar for comment.—
Joseph Ataman,
CNN Money,
20 May 2025
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These devices must be hardened against attackers seeking stealthy persistence.—
Yuriy Bulygin,
Forbes.com,
15 May 2025
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Cite this Entry
“Firm (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/firm%20%28up%29. Accessed 29 May. 2025.
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