ten to one

1.
United StatesUnited Kingdominformalcolloquial
- Very likely; used to indicate that one outcome is presumed to be much more probable than another.
- Used to express a confident estimate that something will happen (equivalent to saying 'most likely').
2.
Internationalgamblinginformal
- Literal betting odds of ten to one (10:1), meaning a successful wager returns ten units for each unit staked, plus the stake.
- A ratio expressing that one outcome is ten times as likely, in contexts that use odds.

Examples: