67:17 Or can you ever feel secure that He who is in heaven will not let loose against you a deadly stormwind,* whereupon you would come to know how [true] My warning was?
Muhammad Asad (The Message Of Quran)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
But as for those who are bent on denying the truth, their [good] deeds are like a mirage in the desert, which the thirsty supposes to be water until, when he approaches it, he finds that it was nothing:* instead, he finds [that] God [has always been present] with him, and [that] He will pay him his account in full - for God is swift in reckoning!