unheard-of
adjective
, -ˌäv\
Definition of unheard-of
Synonyms & Antonyms for unheard-of
Synonyms
fresh, new, novel, original, strange, unaccustomed, unfamiliar, unknown, unprecedented
Antonyms
familiar, hackneyed, old, time-honored, tired, warmed-over
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More Definitions for unheard-of
unheard-of
adjective
English Language Learners Definition of unheard-of
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