as in unreasonable
having no basis in reason or fact
please stop making groundless accusations against innocent people fears of a strike proved groundless
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Recent Examples of groundless
Trump has persisted in pushing the groundless rumors since the debate, posting a string of memes about it on Truth Social.
—
Erin Doherty, Axios, 17 Sep. 2024
Yoon in May and July rejected consecutive bills calling for special prosecutors to investigate the marine’s death, describing the allegations as groundless and politically motivated.
—Kim Tong-Hyung, Los Angeles Times, 2 Sep. 2024
The relationship is clearly hostile and at the front of mind, which is why Trump seems determined to will Biden back into the race with groundless claims of a convention coup.
—Philip Elliott, TIME, 13 Aug. 2024
Not when a good old fashioned groundless conspiracy is being waved in front of them.
—Pat Beall, Orlando Sentinel, 21 July 2024
See all Example Sentences for groundless 
Erin Doherty, Axios, 17 Sep. 2024
Yoon in May and July rejected consecutive bills calling for special prosecutors to investigate the marine’s death, describing the allegations as groundless and politically motivated.
—Kim Tong-Hyung, Los Angeles Times, 2 Sep. 2024
The relationship is clearly hostile and at the front of mind, which is why Trump seems determined to will Biden back into the race with groundless claims of a convention coup.
—Philip Elliott, TIME, 13 Aug. 2024
Not when a good old fashioned groundless conspiracy is being waved in front of them.
—Pat Beall, Orlando Sentinel, 21 July 2024
See all Example Sentences for groundless
Thesaurus Entries Near groundless
Cite this Entry
“Groundless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/groundless. Accessed 28 Nov. 2024.
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