Meaning of the word "back the wrong horse" in English

What does "back the wrong horse" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

back the wrong horse

US /bæk ðə rɔŋ hɔrs/
UK /bæk ðə rɔŋ hɔrs/
"back the wrong horse" picture

Idiom

1.

to support a person or thing that is not successful or that turns out to be a bad choice

Example:
I really backed the wrong horse when I invested all my savings in that failing company.
Many critics felt the director had backed the wrong horse with his experimental film.
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