Esoteric

The professor shared esoteric knowledge about quantum physics with his students.

The fashion designer created avant-garde, esoteric clothing designs that appealed to a niche audience.

The ancient manuscript contained esoteric symbols and cryptic instructions.

The boutique sells esoteric fashion items that are not commonly found in mainstream stores.

The poet's verses were filled with esoteric symbolism and metaphors, making them challenging to interpret.

The book is a guide to understanding esoteric spiritual practices.