Definition of unheard-of Unheard-of
un•heard•of
We found 3 definitions of unheard-of from 3 different sources.
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What does unheard-of mean?
WordNet
Adjective |
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| unheard-of - previously unknown; "a first novel by an unheard of writer"; "developments on an unheard-of scale" |
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Wiktionary 
- unheard-of (Adjective)
Previously unknown; unprecedented.
Webster DictionaryWebster's Unabridged Dictionary 📘
- unheard-of (a.)
New; unprecedented; unparalleled.
