неправдоподобный

adj.

untanable; unbelievable (malagnana); incredible; improbable ("Young man," he said, "upon this point I can only say that your story is grossly improbable. It won't hold water."); anecdotic; fabulous; steep; unlikely (an unlikely story); unthinkable; uncreditable; unplausible; impossible; farfetched (xenkis); larger-than-life (Anglophile); ludicrous (Tanya Gesse); increditable (Допустимо как increditable так и uncreditable Sin21); far-fetched (extremely unlikely to be true or to happen Senior Strateg); unlike; wide of truth

out-of-this-world (figure of speech Val_Ships)

fat-fetched (great_manul)

steep (о рассказе); steeper (о рассказе); fishy

ridiculous (Vadim Rouminsky)

reach (peacemaker)

out there (It sounds pretty out there, but experts say... joyand)

неправдоподобно

: 81 phrases in 20 subjects