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

But the freeze covers only about 28% of the total housing stock in the city, and critics allege that freezing rents will only make the housing shortage worse.

— Scott Cohn, CNBC, 10 July 2026
Xinhua said the factory’s owner and managers were arrested and the company’s accounts were frozen.

— ABC News, ABC News, 10 July 2026

Definition of freeze

Verb

However, some experts are concerned about how the roughly year-long effort to modify the aircraft may not have been sufficient to fully harden it for operations in high-threat airspace.

— Alexandra Skores, CNN Money, 10 July 2026
Instead of building parts one layer at a time, the system hardens the printing material all at once, producing seamless structures.

— Neetika Walter, Interesting Engineering, 10 July 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 14 Jul. 2026.

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Synonyms of firm (up)

verb

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