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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Their recipes are developed by veterinary nutritionists; plus, it's gently cooked and frozen to eliminate preservatives.—
Jessica Moore,
USA Today,
8 May 2026 -
Mamdani reacts to vote Mayor Zohran Mamdani ran on a campaign promise to freeze the rent, and back in February appointed six of the nine Rent Guidelines Board members.—
Adi Guajardo,
CBS News,
8 May 2026
Verb
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One that shows the intense rightward swing that has only hardened as the lines between hip-hop and the streaming universe have blurred.—
Alphonse Pierre,
Pitchfork,
6 May 2026
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The airstrike on the Haret Hreik neighborhood targeted the leader of the Radwan forces, Hezbollah’s elite and battle-hardened fighting unit, Israeli authorities said.—
Mohamad El Chamaa,
Washington Post,
6 May 2026
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“Firm (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/firm%20%28up%29. Accessed 9 May. 2026.
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