Invalid
Invalid adjective - Chronically or repeatedly suffering from poor health.
Without substantiation and invalid are semantically related. In some cases you can use "Without substantiation" instead an adjective "Invalid".
Without substantiation
Invalid and without substantiation are semantically related. Sometimes you can use "Invalid" instead an adjective phrase "Without substantiation".
Mutual synonyms
Related pairs
- worthless and invalid
- worthless and without substantiation
- inoperative and invalid
- inoperative and without substantiation
- bad and invalid
- bad and without substantiation
- ineffective and invalid
- ineffective and without substantiation
- vain and invalid
- vain and without substantiation
- useless and invalid
- useless and without substantiation
- ineffectual and invalid
- ineffectual and without substantiation
Cite this Source
Without substantiation and Invalid. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/invalid/without_substantiation
Invalid & Without substantiation. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/invalid/without_substantiation>.
Without substantiation or Invalid. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/invalid/without_substantiation.
Google Ngram Viewer shows how "invalid" and "without substantiation" have occurred on timeline