Insubstantial and Undefended

Related words

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

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Undefended and insubstantial are semantically related. In some cases you can use "Undefended" instead an adjective "Insubstantial".

Undefended adjective - Lacking protection from danger or resistance against attack.

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Insubstantial and undefended are semantically related. Sometimes you can use "Insubstantial" instead an adjective "Undefended".

Cite this Source

Undefended and Insubstantial. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/insubstantial/undefended

Insubstantial & Undefended. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/insubstantial/undefended>.

Undefended or Insubstantial. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/insubstantial/undefended.

Google Ngram Viewer shows how "insubstantial" and "undefended" have occurred on timeline