Strong G4190 πονηρός ponēros · evil/bad

1 John

1. 1 John 2:13
   I write unto you, fathers, because ye have known him that is from the beginning. I write unto you, young men, because ye have overcome the wicked one. I write unto you, little children, because ye have known the Father.
2. 1 John 2:14
   I have written unto you, fathers, because ye have known him that is from the beginning. I have written unto you, young men, because ye are strong, and the word of God abideth in you, and ye have overcome the wicked one.
3. 1 John 3:12
   Not as Cain, who was of that wicked one, and slew his brother. And wherefore slew he him? Because his own works were evil, and his brother’s righteous.
4. 1 John 5:18
   We know that whosoever is born of God sinneth not; but he that is begotten of God keepeth himself, and that wicked one toucheth him not.
5. 1 John 5:19
   And we know that we are of God, and the whole world lieth in wickedness.