- The definition of top-notch is defined as the very best or a really great person or thing.
An example of top-notch is an award winning pinot noir wine.
(comparative more topnotch, superlative most topnotch)
- Of the highest level
- That was a topnotch performance, here's a medal.
(comparative more top-notch, superlative most top-notch)
(comparative more top notch, superlative most top notch)
Probably from an unknown nineteenth-century game, where the leader was on the "top notch".