71:27 for, behold, If Thou dost leave them, they will [always try to] lead astray those who worship Thee, and will give birth to nothing but wickedness and stubborn ingratitude.*
Muhammad Asad (The Message Of Quran)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
Thereupon We let loose upon them floods, and [plagues of] locusts, and lice, and frogs, and [water turning into] blood* -distinct signs [all]: but they gloried in their arrogance, for they were people lost in sin.