Frail
Sicker
Frail and sicker are semantically related in not healthy topic. Sometimes you can use "Frail" instead an adjective "Sicker".
Mutual synonyms
Cite this Source
Sicker and Frail. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/frail/sicker
Frail & Sicker. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/frail/sicker>.
Sicker or Frail. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/frail/sicker.
Google Ngram Viewer shows how "frail" and "sicker" have occurred on timeline