Theoretical and Unsubstantial

Theoretical

Theoretical adjective - Dealing with or expressing a quality or idea.
Usage example: the theoretical musings in his new book are less engaging than the anecdote-driven arguments of his previous works

Unsubstantial and theoretical are semantically related. In some cases you can use "Unsubstantial" instead an adjective "Theoretical".

Unsubstantial

Unsubstantial adjective - Not composed of matter.

Theoretical and unsubstantial are semantically related. Sometimes you can use "Theoretical" instead an adjective "Unsubstantial".

Nearby Word: unsubstantially
Cite this Source
Unsubstantial and Theoretical. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/theoretical/unsubstantial
Theoretical & Unsubstantial. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/theoretical/unsubstantial>.
Unsubstantial or Theoretical. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/theoretical/unsubstantial.
Google Ngram Viewer shows how "theoretical" and "unsubstantial" have occurred on timeline