8:13 This, because they have cut themselves off from* God and His Apostle: and as for him who cuts himself off from God and His Apostle - verily, God is severe in retribution.
Muhammad Asad (The Message Of Quran)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
[and will be told:] Indeed, unmindful hast thou been of this [Day of Judgment]; but now We have lifted from thee thy veil, and sharp is thy sight today!"