- Nachas is a Yiddish word meaning that you are happy and proud, especially of someone's accomplishments.
An example of nachas is what you feel when you watch your children graduate from college.
A feeling of nachas.
nachas definition by Webster's New World
pleasurable pride, esp. in another's achievements
Origin: Yiddish nakhes ; from Classical Hebrew (language) nachat, a calmness, repose ; from nach, to rest