Foundationless
Foundationless adjective - Having no basis in reason or fact.
Without substantiation and foundationless are semantically related. In some cases you can use "Without substantiation" instead an adjective "Foundationless".
Without substantiation
Foundationless and without substantiation are semantically related. You can use "Foundationless" instead an adjective phrase "Without substantiation".
Mutual synonyms
Related pairs
- flimsy and foundationless
- flimsy and without substantiation
- unwarranted and foundationless
- unwarranted and without substantiation
- groundless and foundationless
- groundless and without substantiation
- gratuitous and foundationless
- gratuitous and without substantiation
- ungrounded and foundationless
- ungrounded and without substantiation
- unjustified and foundationless
- unjustified and without substantiation
- untenable and foundationless
- untenable and without substantiation
Cite this Source
Without substantiation and Foundationless. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/foundationless/without_substantiation
Foundationless & Without substantiation. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/foundationless/without_substantiation>.
Without substantiation or Foundationless. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/foundationless/without_substantiation.
Google Ngram Viewer shows how "foundationless" and "without substantiation" have occurred on timeline