Insubstantial and Impalpable

Insubstantial

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

Impalpable is a synonym for insubstantial in intangible topic. In some cases you can use "Impalpable" instead an adjective "Insubstantial".

Impalpable

Impalpable adjective - Not capable of being perceived by the sense of touch.
Usage example: the rich colors used in the wall coverings and furniture give the room an impalpable warmth

Insubstantial is a synonym for impalpable in intangible topic. You can use "Insubstantial" instead an adjective "Impalpable".
Cite this Source
Impalpable and Insubstantial. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/insubstantial/impalpable
Insubstantial & Impalpable. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/insubstantial/impalpable>.
Impalpable or Insubstantial. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/insubstantial/impalpable.
Google Ngram Viewer shows how "insubstantial" and "impalpable" have occurred on timeline