un·​found·​ed | \ ˌən-ˈfau̇n-dəd \

Definition of unfounded

: lacking a sound basis : groundless, unwarranted an unfounded accusation

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Examples of unfounded in a Sentence

the accusation proved to be unfounded

Recent Examples on the Web

State denies improper restraint of youth An advocacy group’s allegations of abuse and neglect at New Hampshire’s youth detention center are unfounded and irresponsible, state officials said Tuesday. BostonGlobe.com, "New England news in brief," 16 May 2018 The $22 million paid for a barrage of advertising threatening rising costs on consumers, and raising the threat that the measure would force a shutdown of the state’s Palo Verde nuclear power plant (a threat that backers said was unfounded). David Roberts, Vox, "Fossil fuel money crushed clean energy ballot initiatives across the country," 7 Nov. 2018 According to the lawsuit, this prompted Lynch to start writing Hannah up for poor performance based on unfounded allegations. Julianna Rennie, charlotteobserver, "N.C. man says boss made his work life hell after learning of same-sex marriage plans," 8 June 2018 Trump is known to embrace unfounded allegations and conspiracy theories. Devlin Barrett, Washington Post, "Trump urges punishment for former House IT worker," 7 June 2018 Now in private practice, Porter still lives with the fallout from the unfounded allegations. CBS News, "Unsolved murder case is the talk of small Texas town 16 years later," 19 May 2018 The Met eventually fired Mr. Levine, who has called the allegations unfounded. Charles Passy, WSJ, "Tattooed Maestro Aims to Take Met Opera Into New Era," 4 Dec. 2018 Last month, President Donald Trump kicked off a largely unfounded controversy, based on a misleading Fox News report, over censorship of conservative viewpoints in Google Search. Nick Statt, The Verge, "Google CEO Sundar Pichai is headed to Washington this week to discuss censorship and China," 25 Sep. 2018 The last referral regarding Anthony was in April 2016 alleging general neglect, but the allegations were deemed unfounded, officials said. Kathleen Joyce, Fox News, "Mother’s boyfriend arrested in death of 10-year-old boy who complained about abuse: police," 28 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unfounded.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unfounded

1648, in the meaning defined above

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Statistics for unfounded

Last Updated

2 Feb 2019

Look-up Popularity

Time Traveler for unfounded

The first known use of unfounded was in 1648

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More Definitions for unfounded



English Language Learners Definition of unfounded

formal : not based on facts or proof


un·​found·​ed | \ ˌən-ˈfau̇n-dəd \

Kids Definition of unfounded

: not based on facts or proof : groundless unfounded suspicions

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More from Merriam-Webster on unfounded

Rhyming Dictionary: Words that rhyme with unfounded

Thesaurus: All synonyms and antonyms for unfounded

Spanish Central: Translation of unfounded

Nglish: Translation of unfounded for Spanish Speakers

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