longshot
nounUK /ˈlɒŋʃɒt/
US /ˈlɔːŋʃɑːt/
A longshot is something that is very unlikely to happen or win.
Everyone thought the little team was a longshot, but they won the game.
OTHER MEANINGS
2. A bet made with a small chance of winning but a big payout.
He put five dollars on a longshot at the horse race.
3. A photograph or film shot taken from far away.
The director used a longshot to show the whole mountain.
4. A person or thing with little chance of success.
The rookie was a longshot to make the team.