Insubstantial and Shallow

Insubstantial

Insubstantial adjective - Being of a material lacking in sturdiness or substance.

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

Shallow

Shallow adjective - Lacking significant physical depth.

Insubstantial is a synonym for shallow in property topic. Sometimes you can use "Insubstantial" instead an adjective "Shallow", if it concerns topics such as superficial.

Nearby Words: shallowed, shallowing
Cite this Source
Shallow and Insubstantial. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/insubstantial/shallow
Insubstantial & Shallow. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/insubstantial/shallow>.
Shallow or Insubstantial. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/insubstantial/shallow.
Google Ngram Viewer shows how "insubstantial" and "shallow" have occurred on timeline