Groundless
Groundless adjective - Having no basis in reason or fact.
Unsustained and groundless are semantically related. In some cases you can replace term "Unsustained" with "Groundless", this adjectives are similar.
Nearby Words: ground, groundlessness
Unsustained
Groundless and unsustained are semantically related. Sometimes you can replace term "Groundless" with "Unsustained", this words are similar.
Mutual synonyms
Cite this Source
Unsustained and Groundless. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/groundless/unsustained
Groundless & Unsustained. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/groundless/unsustained>.
Unsustained or Groundless. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/groundless/unsustained.
Google Ngram Viewer shows how "groundless" and "unsustained" have occurred on timeline