Firm and Not solid

Opposite meaning terms

Firm adjective - Not showing weakness or uncertainty.

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Not solid is an antonym for firm.

Nearby Words: firming, firmness, firmly, firmed

Definitions of Firm not found.

Firm is an antonym for not solid in flimsy topic.

Cite this Source

Not solid and Firm. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/firm/not_solid

Firm & Not solid. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/firm/not_solid>.

Not solid or Firm. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/firm/not_solid.

Google Ngram Viewer shows how "firm" and "not solid" have occurred on timeline