1. intended for or likely to be understood by only a small number of people with a specialized knowledge or interest

Examples

• The professor’s lecture on quantum mechanics was too esoteric for most undergraduate students.
• She collected esoteric books on medieval alchemy.
• The artist’s work appeals to an esoteric audience of collectors.
• His esoteric knowledge of ancient languages made him valuable to the research team.
• The journal publishes esoteric articles on theoretical mathematics.
• Many found the philosopher’s esoteric theories difficult to follow.