History
History
Synonyms
UK
US
Meaning:
fabulous

(of a performance, performer, new design etc) wonderful; excellent

amazing, wonderful

fantastic

wild and strange; impossible to carry out

strange, different; imaginary

implausible

not plausible

not likely

improbable

not likely to be true or to happen

not likely

inconceivable

that cannot be imagined

beyond reason, belief

incredible

(almost) impossible to believe (because shocking); very surprising

beyond belief

indefinable

that cannot be defined or put in words

unspeakable

inexpressible

that cannot be put into words

unspeakable

obscure

hidden; not clearly seen; not easily understood; not well known

not easily understood

preposterous

completely impossible or ridiculous

ridiculous, bizarre

ridiculous

deserving to be laughed at; foolish

stupid, funny

suspect

to have an idea or feeling concerning the possibility or truth of (something); doubtful; possibly not true; a person suspected of doing wrong etc

doubtful

unconvincing

not convincing

not convincing

unheard-of

without an equal

unique, obscure

unimaginable

that cannot be imagined

mind-boggling

unlikely

not likely to happen or be true

not probable

unreal

imaginary; not real

fake, make-believe; hypothetical

unspeakable

that cannot be expressed or described in words

very bad; beyond description

unthinkable

not to be considered

incredible, unusual

UNBELIEVABLE as in Wiktionary
UNBELIEVABLE as in Wikipedia