unheard-of English

Meaning unheard-of meaning

What does unheard-of mean?

— adjective previously unknown a first novel by an unheard of writer developments on an unheard-of scale

What other words have the same or similar meaning as unheard-of?

unprecedented unknown unfamiliar record-breaking obscure extraordinary awful unusual unsung unseeyn unrevealed unrecognized unrecognised unpredictable unprecedented in history unparalleled in history unparalleled unnamed unknowable unidentified unexampled undiscovered undiscoverable undisclosed unchartered unbeknownst unbeknown unascertainable unacquainted unacknowledged stranger strange outrageous nameless little-known indeterminate incognoscible epoch-making alien

unheard | of