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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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for firm (up)
Verb
-
Once a creditor clears the legal prerequisites, nothing prevents them from simultaneously directing a writ to your employer to garnish your wages and a separate writ to your bank to freeze the cash in your account.—
Angelica Leicht,
CBS News,
10 Apr. 2026 -
Of course, most job hunters at the time felt as though the job market was frozen solid.—
Jake Angelo,
Fortune,
10 Apr. 2026
Verb
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The work only repaired and hardened about 10% of what was lost.—
Paul Rogers,
Mercury News,
8 Apr. 2026
-
But Iran, which watched the 2003 toppling of Saddam Hussein next door, has been hardening its regime ever since.—
The Week US,
TheWeek,
6 Apr. 2026
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“Firm (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/firm%20%28up%29. Accessed 12 Apr. 2026.
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