Meaning & use
unheard-of
Last updated
So unusual as to be previously unknown; unprecedented.
See it in a sentence
Such generosity was unheard-of in that small, struggling town.
An unheard-of price drop drew huge crowds to the store overnight.
A note on using this word
Always hyphenated in standard English, whether used before or after the noun it modifies.
Words with a similar meaning
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