Shameful
Part of speech: adjective
Definition: causing or meriting shame or disgrace; disgraceful giving offense
Example sentence: The first and greatest victory is to conquer yourself; to be conquered by yourself is of all things most shameful and vile.
Scandalous
Part of speech: adjective
Definition: wrong, immoral, causing a scandalmalicious, defamatory
Example sentence: I haven't got many anecdotes. Maybe I should do something scandalous.