Definition of "crusading" [cru•sad•ing]

• Present participle of crusade. (verb)

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• "The fifty-nine-year-old Ickes, a newspaperman turned lawyer and progressive political activist, had made his name crusading against the Chicago utility baron Samuel Insull, whom he fought, as Time magazine observed, “bravely but utterly without result for 25 years.”"
• "This important Liburnian city sent forth many cruisers in crusading days; hence the Arabs came to know its name."
• "“Old Man of the Mountain,” famous in crusading days, was the Chief who lived on the Nusayriyah or Ansári range, a northern prolongation of the Libanus."