a safe bet

safe bet

1. Something that is certain to occur. Based on his grades, it's a pretty safe bet that Harry won't be able to graduate on time.
2. A person or thing that is certain to be good or successful. The department felt that she was a safe bet for the account manager position.
See also: bet, safe
Farlex Dictionary of Idioms.

a safe bet

a certainty.
A safe bet originally referred to a horse that was confidently expected to win a race.
2002 Observer It is a safe bet that as the Western world gets fatter, the people on its television screens will continue to get thinner.
See also: bet, safe
Farlex Partner Idioms Dictionary

a safe ˈbet

(informal) something that is likely to be right or successful: If you want a cheap holiday with lots of sunshine, then Spain is a safe bet.
See also: bet, safe
Farlex Partner Idioms Dictionary
See also:
  • a good bet
  • good bet
  • be on (one's) back
  • be on somebody's back
  • be on someone's back
  • bum about someone/something
  • dissatisfied
  • dissatisfied with
  • dissatisfied with (someone or something)
  • a free ride
References in periodicals archive
His NFL draft status remains unclear, but he appears a safe bet to get drafted in the first round.