a. Intended for or understood by only a particular group: an esoteric cult.
b. Of or relating to that which is known by a restricted number of people.
a. Confined to a small group: esoteric interests.
b. Not publicly disclosed; confidential.
[Greek esterikos, from ester, comparative of es, within; see en in Indo-European roots.]
esoterically | adv.
esotericism | n.