Firm up and Unlock

Opposite meaning terms

Firm up verb - To become physically firm or solid.

Show all Definitions

Unlock is an antonym for firm up in make resistant to change topic.

Unlock verb - To set free (from a state of being held in check).

Show all Definitions

Firm up is an antonym for unlock.

Nearby Words: unlocked, unlocking

Cite this Source

Unlock and Firm up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/firm_up/unlock

Firm up & Unlock. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/firm_up/unlock>.

Unlock or Firm up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/firm_up/unlock.

Google Ngram Viewer shows how "firm up" and "unlock" have occurred on timeline