esoteric
How to Use Esoteric
Learner’s notesIn plain EnglishKnown or understood by only a small, specialized group — obscure to most people.
Word Forms
more esoteric comparative, esoterics plural, most esoteric superlative
Fill the Gap
Can you complete this real example?
The lecture got increasingly _____, losing most of the audience.
Etymology
From Ancient Greek esōterikos, "belonging to an inner circle," from esōterō, "further within" — originally used for the private teachings Greek philosophers reserved for their closest students, as opposed to public lectures.