'Unheard-of' definitions:
Definition of 'unheard-of'
(from WordNet)
adjective
Previously unknown; "a first novel by an unheard of writer"; "developments on an unheard-of scale"
Definition of 'Unheard-of'
From: GCIDE
- Unheard-of \Un*heard"-of\, a. New; unprecedented; unparalleled. --Swift. [1913 Webster]
Synonyms of 'unheard-of'
From: Moby Thesaurus
- disgraceful,
- extreme,
- inconceivable,
- nameless,
- obscure,
- offensive,
- outlandish,
- outrageous,
- shocking,
- unbelievable,
- unfamiliar,
- unidentified,
- unimaginable,
- unimagined,
- unknown,
- unprecedented,
- unsung,
- unthinkable,
- unusual