Insubstantial
Insubstantial adjective - Being of a material lacking in sturdiness or substance.
Unbacked and insubstantial are semantically related In some cases you can use "Unbacked" instead an adjective "Insubstantial".
Unbacked
Unbacked adjective - Unsupported by other people.
Insubstantial and unbacked are semantically related in flimsy topic. Sometimes you can use "Insubstantial" instead an adjective "Unbacked".
Mutual synonyms
Related pairs
- delicate and insubstantial
- delicate and unbacked
- weak and insubstantial
- weak and unbacked
- false and insubstantial
- false and unbacked
- idle and insubstantial
- idle and unbacked
- fragile and insubstantial
- fragile and unbacked
- frail and insubstantial
- frail and unbacked
- unsubstantial and insubstantial
- unsubstantial and unbacked
Cite this Source
Unbacked and Insubstantial. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/insubstantial/unbacked
Insubstantial & Unbacked. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/insubstantial/unbacked>.
Unbacked or Insubstantial. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/insubstantial/unbacked.
Google Ngram Viewer shows how "insubstantial" and "unbacked" have occurred on timeline