Jihad by the tongue (jihad bil lisan) (also jihad by the word, jihad al-qalam) is concerned with speaking the truth and spreading the word of islam with one's tongue.جهاد) is an islamic term referring to the religious duty of muslims to strive, or struggle in ways related to islam, both for the sake of internal, spiritual growth, and for the defense and.The meaning of jihad is a holy war waged on behalf of islam as a religious duty;A personal struggle in devotion to islam especially involving spiritual discipline.