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1. In certain religions, such as Hinduism and Sikhism, a spiritual or religious leader or teacher. How helpful is a guru in the quest for enlightenment?
2. By extension, someone who is very knowledgeable about a particular thing or area. I have no idea who that girl is, but my kids tell me she's an online makeup guru. Larry's a real financial guru, so I go to him with all my questions about investing.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
1. n. an experienced LSD user who guides someone else on a trip. Wilmer volunteered to serve as a guru, but he never showed up.
2. n. a stockbroker or other financial advisor. (Securities markets.) My guru says to sell all my bonds.
3. n. a psychiatrist; a psychotherapist. I’ve started using my mirror for a guru. It’s cheaper.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
A teacher or guide. The word is Hindi for a spiritual leader and also is used in Buddhism. In English it was extended and generalized to mean an expert of any kind on whom one could rely for information. Thus Arthur Koestler wrote, “My confidence as a guru had gone” (The God That Failed, 1949).
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer