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groundless

adjective

ground·​less ˈgrau̇n(d)-ləs How to pronounce groundless (audio)
Synonyms of groundlessnext
: having no ground or foundation
groundless fears
groundlessly adverb
groundlessness noun

Examples of groundless in a Sentence

please stop making groundless accusations against innocent people fears of a strike proved groundless
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Secretary Kennedy’s team seeks to make autism compensable under vaccine-injury rules, turning diagnoses into groundless lawsuits while draining resources from real causes and care. Tom Frieden, Scientific American, 21 Nov. 2025 Earlier this week, Sulton said the new criminal case is groundless and accused prosecutors of bringing additional charges because Spencer rejected a plea deal on the first case. Vanessa Swales, jsonline.com, 17 Oct. 2025 The most extreme version of this debate over Kirk’s views on Israel emerged with shocking velocity after his death, in the form of groundless claims that he’d been killed by the Israelis. Ben Smith, semafor.com, 15 Sep. 2025 These radically groundless and unfounded allegations end now. Lea Veloso, StyleCaster, 11 Sep. 2025 See All Example Sentences for groundless

Word History

First Known Use

1602, in the meaning defined above

Time Traveler
The first known use of groundless was in 1602

Browse Nearby Words

Cite this Entry

“Groundless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/groundless. Accessed 8 Dec. 2025.

Kids Definition

groundless

adjective
ground·​less ˈgrau̇n-(d)ləs How to pronounce groundless (audio)
: not justified : having no real basis
groundless fears
groundlessly adverb
groundlessness noun

More from Merriam-Webster on groundless

Last Updated: - Updated example sentences
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