Unsustaining
Weak and unsustaining are semantically related. In some cases you can use "Weak" instead an adjective "Unsustaining".
Weak
Weak adjective - Lacking bodily strength.
Unsustaining and weak are semantically related. Sometimes you can use "Unsustaining" instead an adjective "Weak".
Mutual synonyms
Cite this Source
Weak and Unsustaining. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/unsustaining/weak
Unsustaining & Weak. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/unsustaining/weak>.
Weak or Unsustaining. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/unsustaining/weak.
Google Ngram Viewer shows how "unsustaining" and "weak" have occurred on timeline