Insubstantial and Thin

Insubstantial

Insubstantial adjective - Not composed of matter.
Usage example: energy is insubstantial

Thin is a synonym for insubstantial in weak topic. In some cases you can use "Thin" instead an adjective "Insubstantial", when it comes to topics like property, flimsy, scanty.

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.

Nearby Words: thinned, thinly, thinness, thinning
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