The definition of a sadhu is a monk or religious devotee who travels around living a simple lifestyle practicing abstinence from worldly pleasures to focus more on spiritual practice.noun
An example of a sadhu is a yogi.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
Origin: Sans < sādhu, straight, able < IE base *sēdh-, to go straight to a goal > Gr ithyein, to go straight
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also sad·dhunoun Hinduism
Origin: From Sanskrit sādhu-, right, holy.