Unsound
Unsound adjective - Having or showing a very abnormal or sick state of mind.
Without substance and unsound are semantically related. In some cases you can use "Without substance" instead an adjective "Unsound".
Without substance
Unsound and without substance are semantically related. You can use "Unsound" instead an adjective phrase "Without substance".
Mutual synonyms
Cite this Source
Without substance and Unsound. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/unsound/without_substance
Unsound & Without substance. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/unsound/without_substance>.
Without substance or Unsound. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/unsound/without_substance.
Google Ngram Viewer shows how "unsound" and "without substance" have occurred on timeline