- 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.
top-notch definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Informal first-rate; excellent
top-notch definition by American Heritage Dictionary
or top·notchadjective Informal