Insubstantial and Incorporeal

Insubstantial

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

Incorporeal is a synonym for insubstantial in body topic. In some cases you can use "Incorporeal" instead an adjective "Insubstantial", when it comes to topics like weak, imaginary, flimsy, nonmaterial. popular alternative

Incorporeal

Incorporeal adjective - Not composed of matter.
Usage example: ghosts are supposed to be incorporeal

Insubstantial is a synonym for incorporeal in body topic. You can use "Insubstantial" instead an adjective "Incorporeal", if it concerns topics such as ethereal, flimsy, nonmaterial. popular alternative
Cite this Source
Incorporeal and Insubstantial. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/insubstantial/incorporeal
Insubstantial & Incorporeal. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/insubstantial/incorporeal>.
Incorporeal or Insubstantial. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/insubstantial/incorporeal.
Google Ngram Viewer shows how "insubstantial" and "incorporeal" have occurred on timeline