FIRM (UP) Synonyms: 40 Similar and Opposite Words

firm (up)

verb

Definition of firm (up)

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

With some in toques, tights and long-sleeve shirts, a record 13,250 runners braved near-freezing temperatures for Saturday’s 22nd annual Novant Health Charlotte Marathon.

— Joe Marusak, Charlotte Observer, 14 Nov. 2026
Then turn on the outdoor faucet so the remaining water drains away and doesn’t freeze and expand inside the fixture.

— Beth Botts, Chicago Tribune, 14 Nov. 2026

Definition of freeze

Verb

And this perspective has only hardened as the oligarchs have taken an increasingly visible role in public life, appearing on the same stage with candidates, making speeches, and pouring billions of dollars into campaigns at all levels of government.

— Jeffrey Winters, Christian Science Monitor, 13 Nov. 2026
These projects include fire-hardening homes and public facilities, undergrounding power lines, and strengthening water systems.

— Steve Scauzillo, Daily News, 10 Nov. 2026

Definition of harden

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firms (up)

firm (up)

first

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“Firm (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/firm%20%28up%29. Accessed 15 Nov. 2026.

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Synonyms of firm (up)

verb

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