Unsubstantial and Vacillating

Unsubstantial

Unsubstantial adjective - Not composed of matter.

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

Nearby Word: unsubstantially

Vacillating

Vacillating adjective - Uncertain in purpose or action.
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Synonyms for Vacillating

Unsubstantial and vacillating are semantically related. Sometimes you can use "Unsubstantial" instead an adjective "Vacillating".

Nearby Words: vacillate, vacillation, vacillated
Cite this Source
Vacillating and Unsubstantial. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/unsubstantial/vacillating
Unsubstantial & Vacillating. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/unsubstantial/vacillating>.
Vacillating or Unsubstantial. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/unsubstantial/vacillating.
Google Ngram Viewer shows how "unsubstantial" and "vacillating" have occurred on timeline