as in hardened
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 firmed (up)
Verb
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Alternatively, Venus’ initial, planetwide magma sea might have cooled and hardened into a crust quickly enough for liquid water — maybe even an ocean’s worth of water — to flow across it.—
Quanta Magazine,
Quanta Magazine,
15 Sep. 2025 -
And those things hardened their proverbial steak, too.—
Brooks Kubena,
New York Times,
15 Sep. 2025
Verb
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In their experiments, the researchers froze water with different amounts of ordinary salt (NaCl).—
Neetika Walter,
Interesting Engineering,
17 Sep. 2025
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At some points, the video froze, creating a delay in the conversation.—
Senior Reporter,
PC Magazine,
16 Sep. 2025
Verb
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The heart muscle may have thickened slightly, and arteries have likely stiffened, which can raise blood pressure.—
Lauryn Higgins,
Time,
17 Sep. 2025
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Despite herself, Cali stiffened.—
Bryan Washington,
New Yorker,
7 Sep. 2025
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Cite this Entry
“Firmed (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/firmed%20%28up%29. Accessed 21 Sep. 2025.
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