Dictionary.com
Thesaurus.com

back the wrong horse

Idioms  
  1. Also, bet on the wrong horse. Guess wrongly or misjudge a future outcome, as in Jones garnered only a few hundred votes; we obviously backed the wrong horse, or Counting on the price of IBM to rise sharply was betting on the wrong horse. Transferred from wagering money on a horse that fails to win the race, a usage dating from the late 1600s, this term is widely applied to elections and other situations of uncertain outcome.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They’re afraid to back the wrong horse, or to help some of these emerging groups who may end up having members of al Qaeda.”

From Newsweek • Nov. 7, 2012