Flimsy
Flimsy adjective - Being of a material lacking in sturdiness or substance.
Unsustainable and flimsy are semantically related. In some cases you can use "Unsustainable" instead an adjective "Flimsy".
Unsustainable
Flimsy and unsustainable are semantically related. Sometimes you can use "Flimsy" instead an adjective "Unsustainable".
Mutual synonyms
Cite this Source
Unsustainable and Flimsy. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/flimsy/unsustainable
Flimsy & Unsustainable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/flimsy/unsustainable>.
Unsustainable or Flimsy. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/flimsy/unsustainable.
Google Ngram Viewer shows how "flimsy" and "unsustainable" have occurred on timeline