odds-on

adjective3

1. •
   Having a chance of winning that is better than even.

   • The trophy had barely been lifted before the first press release went out from the bookmakers announcing Norwich as odds-on to go down next season. — 2015
2. •
   (informal) Very likely.

   • Name a light entertainer and its odds-on that he - or even she (think of Cilla Black) – learned the trade of laughter and song in Liverpool. — 1966
3. •
   In which the amount won on a bet is less than the amount staked.