plural gurus
Definition of guru
1 : a personal religious teacher and spiritual guide in Hinduism
2a : a teacher and especially intellectual guide in matters of fundamental concern
has been a guru to many young writers
b : one who is an acknowledged leader or chief proponent
became the guru of the movement
c : a person with knowledge or expertise : expert a computer guru
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Time Traveler for guru
The first known use of guru was in 1613
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