1) Absurd 2) Cock and bull 3) Implausible 4) Impractical 5) Incredible 6) Tall 7) Unbelievable 8) Unlikely 1) Doubtful 2) French word used in English 3) God in fiction 4) Not likely 5) Not likely to be true 6) Not probable 7) Supposed 8) Techno-thriller novel 9) Unlikely 10) Unlikely to occur 
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. ==Plot summary== Improbable is the story of a gifted young man named David Caine, who has been troubled by debilitating epileptic seizures t...
• (a.) Not probable; unlikely to be true; not to be expected under the circumstances or in the usual course of events; as, an improbable story or event.
Im·prob'a·ble adjective [ Latin improbabilis ; prefix im- not + probabilis probable: confer French improbable . See Probable .] Not probable; unlikely to be true; not to be expected under the circumstances or in the usual course of events; as, an improbable ...
[adj] - having a probability to low to inspire belief 2. [adj] - not likely to be true or to occur or to have occurred 3. [adj] - too improbable to admit of belief
improbable 1. Not probable; unlikely to take place or to be true or to happen. 2. Having a probability too low to inspire belief. 3. Too improbable to be considered believable.
marvelous adjective too improbable to admit of belief; `a tall story`
not probable; unlikely to be true or to happen: Rain is improbable tonight.