- Intended for or understood by only a particular group: an esoteric cult. See Synonyms at mysterious. (adjective)
- Of or relating to that which is known by a restricted number of people. (adjective)
- Confined to a small group: esoteric interests. (adjective)
- Not publicly disclosed; confidential. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.