40:3 Forgiver of sins, and accepter of repentance, severe in retribution, with ability to reach. There is no god other than Him, to Him is the ultimate destiny.
The Monotheist Group (The Quran: A Monotheist Translation)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
and [that] they [who deny the truth] might never taunt thee with any deceptive half-truth* without Our conveying to thee the [full] truth and [providing thee] with the best explanation.*