particular, flimsy, fantastical, decent, prodigious, who would have thought...?, undreamt of, shaky, marvelous, thin, incredulous, extraordinary, absolute, perfectly, marvellous, wondrous, exceptional, unbelievable, tall, belief, wonder, wonderful, earth-shattering, unthinkable, phenomenal, is that a fact?, unimagined, amazing, sensational, pure, inconceivable, unconceivable, unsubstantial, stupendous, now I've seen everything/it all, excellent, remarkable, heavens above, good, unconvincing, staggering, funnily enough, unexpected, undreamt, miraculous, especially, astounding, completely, entire, of all things/people/places, dumbfounding, Well, I never, dumfounding, weak, uncompelling, fine, you don't say, surprising, altogether, fabulous, actually, literally, undreamed, complete, astonishing, you would not believe, superb, tremendous, undreamed of, likely
improbable (part of speech: adjective)
unbelievable (part of speech: adjective)
ridiculous (part of speech: adjective)
grotesque, weird, outlandish, ludicrous, preposterous, dubious, absurd, nonsensical, eccentric, bizarre, oddball, crazy, farcical, comical, poppycock, ridiculous, silly, curious, outrageous, laughable, foolish
- Say, if it can be possible, that it is not all true, though apparently incredible. - "Irish Race in the Past and the Present", Aug. J. Thebaud.
- Had the incredible occurred, then? - "Hilda Lessways", Arnold Bennett.
- It seemed incredible, beyond the bounds of possibility. - "The Bars of Iron", Ethel May Dell.