n. pl. gu·rus 1. In Hinduism and Tibetan Buddhism, a personal spiritual teacher. 2. a. Any of the ten successive spiritual teachers who developed Sikhism between the 16th and 18th centuries. 3. a. A trusted counselor and adviser; a mentor. b. A popular or influential leader or advocate, as of a movement or idea: "In a culture that worships slimness, he was the Guru of Lean" (Erica Abeel). [Hindi guru, from Sanskrit guruḥ, from guru-, heavy; see gwerə-1 in the Appendix of Indo-European roots.] |
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