What does «errado» mean in Spanish?

Wrong.

Examples of use in Spanish: "Su examen tenía demasiadas respuestas erradas".

"Está proporcionando datos errados".
Who makes a mistake or acts incorrectly. Having a false judgment or an unwise action.

Examples of use in Spanish: "Creo que tienes un concepto errado de lo que es el amor".

"Sabe que está errado en su proceder, pero no lo acepta".
That it does not reach its goal.

Examples of use in Spanish: "Penal, tiro o proyectil errado".
(errada) In the game of billiards, a set of not touching the player to the ball to be wounded.