improbable, unlikely (adj)

not likely to be true or to occur or to have occurred

"legislation on the question is highly unlikely"; "an improbable event"

improbable, unbelievable, unconvincing, unlikely (adj)

having a probability too low to inspire belief

improbable, marvelous, marvellous, tall(a) (adj)

too improbable to admit of belief

"a tall story"

improbable (Adjective)

Not likely to be true.

improbable (Adjective)

Not likely to happen.

Improbable

Improbable is a 2005 science fiction thriller novel by Adam Fawer, about a gambler who gains the power to predict the future. It was awarded the 2006 International Thriller Writers Award for best first novel.