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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Recent Examples of Synonyms for firm (up)
Verb
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So, what types of debts can actually be used to freeze your bank account?—
Angelica Leicht,
CBS News,
20 Mar. 2026 -
In winter, an ice chest can keep ingredients like potatoes from freezing.—
Deirdre Bardolf,
FOXNews.com,
20 Mar. 2026
Verb
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But as hip-hop hardened and matured, so did the expectations.—
Preezy Brown,
VIBE.com,
19 Mar. 2026
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And Iran's retaliatory attacks on surrounding Arab Gulf states may not win Tehran any new regional friends, but could also further harden dismay at Israel's actions.—
Alexander Smith,
NBC news,
18 Mar. 2026
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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 21 Mar. 2026.
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