Stiff
Stiff adjective - Incapable of or highly resistant to bending.
Worried sick and stiff are semantically related In some cases you can use "Worried sick" instead an adjective "Stiff".
Worried sick
Stiff and worried sick are semantically related in anxious topic. Sometimes you can use "Stiff" instead an adjective phrase "Worried sick".
Cite this Source
Worried sick and Stiff. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/stiff/worried_sick
Stiff & Worried sick. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/stiff/worried_sick>.
Worried sick or Stiff. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/stiff/worried_sick.
Google Ngram Viewer shows how "stiff" and "worried sick" have occurred on timeline