01 n. A religious war against infidels or Muslim heretics; also, any bitter war or crusade for a principle or belief.
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A religious war against infidels or Muslim heretics; also, any bitter war or crusade for a principle or belief.(Islam)“[Their] courage in war . . . had not, like that of the Muslim dervishes of the Sudan, or of Muslims anywhere engaged in a jehad, a religious motive and the promise of future bliss behind it.” — James Bryce.