esoteric
US /ˌes.əˈter.ɪk/
UK /ˌes.əˈter.ɪk/

1.
esoteris, sulit dipahami, khusus
intended for or likely to be understood by only a small number of people with a specialized knowledge or interest.
:
•
The book was full of esoteric references that only a few scholars could understand.
Buku itu penuh dengan referensi esoteris yang hanya bisa dipahami oleh beberapa sarjana.
•
His lectures often contained esoteric jokes that went over most people's heads.
Ceramah-ceramahnya seringkali berisi lelucon esoteris yang tidak dipahami kebanyakan orang.