What does «improperio» mean in Spanish?

Injury, serious insult, especially that used to throw something in someone's face.

Examples of use in Spanish: "la situación terminó sólo en un intercambio de improperios".

"me soltó una sarta de improperios que no puedo creer, ¡me humilló frente a todos!".
(improperios) Verses sung during the Good Friday office, at the time of the adoration of the cross. This is also the name given to the episodes of the Passion of Christ in which the demons mock him in John 19:1-3 of the Bible.

Examples of use in Spanish: "los improperios reproducen los reproches de Dios al pueblo de Israel".