incredible

Synonyms: absurd farfetched fishy flimsy implausible impossible improbable incogitable inconceivable insupposable outlandish out of the question phony preposterous questionable ridiculous rings phony suspect thin unbelievable unconvincing unimaginable unsubstantial untenable unthinkable

Antonyms: believable credible plausible possible realistic tenable

Synonyms: ace amazing astonishing astounding awe-inspiring awesome extraordinary fabulous glorious great prodigious superhuman unreal wonderful

Antonyms: bad poor terrible