Meaning of the word "over the hill" in English

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

over the hill

US /ˌoʊvər ðə ˈhɪl/
UK /ˌoʊvər ðə ˈhɪl/
"over the hill" picture

Idiom

1.

past one's prime; too old to be useful or effective

Example:
Some people think that once you reach 40, you're over the hill.
Despite being over the hill, the veteran athlete still competed in the marathon.
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