Insubstantial
Insubstantial adjective - Not composed of matter.
Usage example: energy is insubstantial
Thin
Thin adjective - Having a noticeably small amount of body fat.
Insubstantial is a synonym for thin in property topic. You can use "Insubstantial" instead an adjective "Thin", if it concerns topics such as scanty, deficient, lightweight.
Mutual synonyms
Cite this Source
Thin and Insubstantial. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/insubstantial/thin
Insubstantial & Thin. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/insubstantial/thin>.
Thin or Insubstantial. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/insubstantial/thin.
Google Ngram Viewer shows how "insubstantial" and "thin" have occurred on timeline