scandalous

pöyristyttävä wrong, immoral, causing a scandal
1884, Mark Twain, Adventures of Huckleberry Finn

The thing made a big stir in the town, too, and a good many come out flatfooted and said it was scandalous to separate the mother and the children that way.

These be the scandalous reports of such / As loves not me, and hate my lord too much.

I always disregard gossip--it is generally scandalous, and seldom true.