Insubstantial and Material

Insubstantial

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

Material is an antonym for insubstantial.

Material

Material adjective - Relating to or composed of matter.
Usage example: there's no material evidence, such as a dead body, that a murder has been committed

Insubstantial is an antonym for material.

Both words in one sentence

  • Insubstantial Ingredients: Wraiths don't actually exist on the Prime Material Plane, but that doesn't stop Nath from making dinner out of one.
  • Made of Evil: All monsters are made up of a dark, insubstantial material known as "miasma".
Cite this Source
Material and Insubstantial. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/insubstantial/material
Insubstantial & Material. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/insubstantial/material>.
Material or Insubstantial. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/insubstantial/material.
Google Ngram Viewer shows how "insubstantial" and "material" have occurred on timeline