Thesaurus

unheard-of

adjective

Synonyms & Antonyms of unheard-of

not known or experienced before
  • houses selling at unheard-of prices

Synonyms for unheard-of

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Time Traveler for unheard-of

Time Traveler

The first known use of unheard-of was in 1592

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Cite this Entry

“Unheard-of.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unheard-of. Accessed 24 Oct. 2020.

More from Merriam-Webster on unheard-of

Dictionary: Definition of unheard-of

Nglish: Translation of unheard-of for Spanish Speakers

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