esoteric

US /ˌes.əˈter.ɪk/
UK /ˌes.əˈter.ɪk/
"esoteric" picture
1.

ésotérique, hermétique, obscur

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.
Le livre était rempli de références ésotériques que seuls quelques érudits pouvaient comprendre.
His lectures often contained esoteric jokes that went over most people's heads.
Ses conférences contenaient souvent des blagues ésotériques que la plupart des gens ne comprenaient pas.