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

And scaling Everest to above 8,000 meters and bringing down a body that has been frozen in ice for three decades will push any team to its limit.

— Helen Regan, CNN Money, 10 Oct. 2026
This Mexican restaurant in Clearfork is known for its brisket tacos and strong drinks – their froze with rose and vodka has a two-drink limit.

— Fort Worth Star-Telegram, Fort Worth Star-Telegram, 9 Oct. 2026

Definition of freeze

Verb

The gossip hardens into something more official, as fellow teachers and school authorities start to treat her personal life as a disciplinary matter.

— Naman Ramachandran, Variety, 7 Oct. 2026
Governments around the world are hardening their AI stances as more agentic hacks breach critical systems.

— J.D. Capelouto, semafor.com, 7 Oct. 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 12 Oct. 2026.

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Synonyms of firm (up)

verb

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