6:39 And they who give the lie to Our messages are deaf and dumb, in darkness deep. Whomever God wills, He lets go astray; and whomever He wills, He places upon a straight way.*
Muhammad Asad (The Message Of Quran)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
Yet, [withal,] thy Sustainer is the Truly-Forgiving One, limitless in His grace. Were He to take them [at once] to task for whatever [wrong] they commit, He would indeed bring about their speedy punishment [then and there]:* but nay, they have a time-limit beyond which they shall find no redemption*