Word: esoteric

You Pronounce It: [es-uh-ter-ik]

Definition: adjective
1.understood by or meant for only the select few who have special knowledge or interest; recondite:
poetry full of esoteric allusions.
2.belonging to the select few.
3.private; secret; confidential.
4.(of a philosophical doctrine or the like) intended to be revealed only to the initiates of a group:
the esoteric doctrines of Pythagoras.

Works Cited:

http://www.dictionary.com/browse/esoteric