unheard-of
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.un·heard–of
adjective \-ˌəv, -ˌäv\Definition of UNHEARD-OF
: previously unknown; especially : unprecedented <moving at unheard–of speeds>
See First Known Use of UNHEARD-OF
1592
Related to UNHEARD-OF
- Synonyms
- fresh, novel, original, strange, unaccustomed, unfamiliar, unheard-of, unknown, unprecedented
- Antonyms
- familiar, hackneyed, old, time-honored, tired, warmed-over
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