Lacking firmness
Unfirm and lacking firmness are semantically related. In some cases you can use "Unfirm" instead an adjective phrase "Lacking firmness".
Unfirm
Unfirm adjective - Not firmly or solidly positioned.
Lacking firmness and unfirm are semantically related. You can use "Lacking firmness" instead an adjective "Unfirm".
Mutual synonyms
Cite this Source
Unfirm and Lacking firmness. (2017). Retrieved 2026, August 02, from https://thesaurus.plus/related/lacking_firmness/unfirm
Lacking firmness & Unfirm. N.p., 2017. Web. 02 Aug. 2026. <https://thesaurus.plus/related/lacking_firmness/unfirm>.
Unfirm or Lacking firmness. 2017. Accessed August 02, 2026. https://thesaurus.plus/related/lacking_firmness/unfirm.
Google Ngram Viewer shows how "lacking firmness" and "unfirm" have occurred on timeline