✨ Use esoteric when something feels like a secret language spoken only by experts, fans, or insiders.
🔹 The professor’s lecture on quantum string theory was fascinating—but far too esoteric for the average listener.
🔹 She had an esoteric taste in music, preferring obscure folk bands from remote corners of the world.
From Greek esōterikos, from esōterō meaning “inner” — originally used to describe secret teachings reserved for inner circles.