Foundationless
Foundationless adjective - Having no basis in reason or fact.
Idle and foundationless are semantically related. in justification topic. In some cases you can use "Idle" instead an adjective "Foundationless", when it comes to topics like not based on fact.
Idle
Idle adjective - Not being in a state of use, activity, or employment.
Foundationless and idle are semantically related. Sometimes you can use "Foundationless" instead an adjective "Idle".
Mutual synonyms
Cite this Source
Idle and Foundationless. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/foundationless/idle
Foundationless & Idle. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/foundationless/idle>.
Idle or Foundationless. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/foundationless/idle.
Google Ngram Viewer shows how "foundationless" and "idle" have occurred on timeline