unprecedented

equivalents

new

unexampled

synonyms

beguiling

bewildering

enigmatic

exceptional

extraordinary

fabulous

fantastic

fascinating

incomprehensible

inconceivable

incredible

indescribable

ineffable

legendary

marvelous

miraculous

mythical

new

noteworthy

novel

outlandish

passing strange

phenomenal

portentous

primary

prodigious

prototypal

puzzling

rare

remarkable

sensational

strange

striking

stupefying

stupendous

uncopied

unduplicated

unexampled

unexampled

unheard-of

unimaginable

unimitated

unique

unparalleled

unreproduced

unspeakable

wonderful

wondrous

same-contexts

astound

dramatic

extraordinary

inexplicable

prodigious

recent

uncommon

unexpected

unparalleled