(especially in Hinduism and Buddhism) a word or sound that is believed to have a special spiritual power. (Cambridge Dictionary)
A word or phrase that is often repeated and expresses a particular strong belief. (Cambridge Dictionary)
(originally in Hinduism and Buddhism) a word or sound repeated to aid concentration in meditation. (Oxford Dictionaries)
A statement or slogan repeated frequently. (Oxford Dictionaries)
A mantra is a word or phrase repeated by Buddhists and Hindus when they meditate, or to help them feel calm. (Collins Dictionary)
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