Groundless
Groundless adjective - Having no basis in reason or fact.
Without substantiation and groundless are semantically related. In some cases you can use "Without substantiation" instead an adjective "Groundless".
Nearby Words: ground, groundlessness
Without substantiation
Groundless and without substantiation are semantically related. Sometimes you can use "Groundless" instead an adjective phrase "Without substantiation".
Mutual synonyms
Related pairs
- bottomless and groundless
- bottomless and without substantiation
- vain and groundless
- vain and without substantiation
- flimsy and groundless
- flimsy and without substantiation
- invalid and groundless
- invalid and without substantiation
- unwarranted and groundless
- unwarranted and without substantiation
- gratuitous and groundless
- gratuitous and without substantiation
- ungrounded and groundless
- ungrounded and without substantiation
Cite this Source
Without substantiation and Groundless. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/groundless/without_substantiation
Groundless & Without substantiation. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/groundless/without_substantiation>.
Without substantiation or Groundless. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/groundless/without_substantiation.
Google Ngram Viewer shows how "groundless" and "without substantiation" have occurred on timeline