Improve Merciless meaning in Urdu

Is there any meaning of the word merciless that needs an edit? Please click that meaning to rewrite it.

جلادجلادکٹرکٹربے رحمبے رحمبے رحمبے رحمبے دردسنگ دل

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جلادجلادکٹرکٹربے رحمبے رحمبے رحمبے رحمبے دردسنگ دل

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