be past (someone's or something's) best

be past (someone's or something's) best

To no longer be in an ideal state or condition. Many gymnasts are past their best when they are only teenagers. This computer is so slow that it's definitely past its best. Based on its rusted-out engine, I'd say the car is way past its best.

See also: best, past

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

be past your/its ˈbest

be no longer as strong, fresh, young, beautiful, etc. as before: What do you mean, somebody over 35 is past their best? That’s nonsense. OPPOSITE: in the prime of (your) life

See also: best, past

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