Keen
Keen adjective - Able to sense slight impressions or differences.
Worried stiff and keen are semantically related In some cases you can use "Worried stiff" instead an adjective "Keen".
Worried stiff
Keen and worried stiff are semantically related in worried topic. Sometimes you can use "Keen" instead an adjective phrase "Worried stiff".
Cite this Source
Worried stiff and Keen. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/keen/worried_stiff
Keen & Worried stiff. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/keen/worried_stiff>.
Worried stiff or Keen. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/keen/worried_stiff.
Google Ngram Viewer shows how "keen" and "worried stiff" have occurred on timeline