Invaluable
Invaluable adjective - Having a value beyond any ability to appraise or adequately appreciate.
Stiff and invaluable are semantically related. In some cases you can use "Stiff" instead an adjective "Invaluable".
Nearby Word: invaluably
Stiff
Stiff adjective - Incapable of or highly resistant to bending.
Invaluable and stiff are semantically related. Sometimes you can use "Invaluable" instead an adjective "Stiff".
Mutual synonyms
Cite this Source
Stiff and Invaluable. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/invaluable/stiff
Invaluable & Stiff. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/invaluable/stiff>.
Stiff or Invaluable. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/invaluable/stiff.
Google Ngram Viewer shows how "invaluable" and "stiff" have occurred on timeline