Baseless
Baseless adjective - Having no basis in reason or fact.
Usage example: baseless rumors that the baseball player was using steroids
Groundless is a synonym for baseless in unfounded topic. In some cases you can use "Groundless" instead an adjective "Baseless", when it comes to topics like true, thoughtless, unsubstantiated, without substantiation. popular alternative
Nearby Word: baselessness
Groundless
Groundless adjective - Having no basis in reason or fact.
Usage example: fears of a strike proved groundless
Baseless is a synonym for groundless in true topic. You can use "Baseless" instead an adjective "Groundless", if it concerns topics such as thoughtless, justification, unfounded, unsubstantiated. popular alternative
Nearby Words: ground, groundlessness
Mutual synonyms
Related pairs
Both words in one sentence
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Seunghyun being called the one with Baseless/Groundless Confidence on Makbanshi, because he was always too confident in things he always wasn't good at.
Source: Music / FT Island
Cite this Source
Groundless and Baseless. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/baseless/groundless
Baseless & Groundless. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/baseless/groundless>.
Groundless or Baseless. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/baseless/groundless.
Google Ngram Viewer shows how "baseless" and "groundless" have occurred on timeline