Terror is mentioned in the Quran in these verses:
[3:151] We will throw terror into the hearts of those who disbelieved, since they set up besides God powerless idols. Their destiny is Hell; what a miserable abode for the transgressors!
[8:12] Recall that your Lord inspired the angels: “I am with you; so support those who believed. I will throw terror into the hearts of those who disbelieved. You may strike them above the necks, and you may strike even every finger.”
[18:18] You would think that they were awake, when they were in fact asleep. We turned them to the right side and the left side, while their dog stretched his arms in their midst. Had you looked at them, you would have fled from them, stricken with terror.
[33:26] He also brought down their allies among the people of the scripture from their secure positions, and threw terror into their hearts. Some of them you killed, and some you took captive.
[34:51] If you could only see them when the great terror strikes them; they cannot escape then, and they will be taken away forcibly.
[59:2] He is the One who evicted those who disbelieved among the people of the scripture from their homes in a mass exodus. You never thought that they would leave, and they thought that their preparations would protect them from God. But then God came to them whence they never expected, and threw terror into their hearts. Thus, they abandoned their homes on their own volition, in addition to pressure from the believers. You should learn from this, O you who possess vision.
[59:13] Indeed, you strike more terror in their hearts than their fear of God. This is because they are people who do not comprehend.
[100:1] By the fast gallopers.
[100:2] Igniting sparks.
[100:3] Invading (the enemy) by morning.
[100:4] Striking terror therein.
[100:5] Penetrating to the heart of their territory.
[100:6] The human being is unappreciative of his Lord.
[100:7] He bears witness to this fact.
[100:8] He loves material things excessively.
[100:9] Does he not realize that the day will come when the graves are opened?
[100:10] And all secrets are brought out.
[100:11] They will find out, on that day, that their Lord has been fully Cognizant of them.
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