It means very offensive, shameful. disgraceful, dishonorable, infamous, unworthy, abject, rude, disrespectful, vulgar, vulgar.
Ignominioso (not ignomioso) is an adjective that means that occasion or cause of disgrace. Shame is the situation of a person who has lost the respect of others by his acts or dishonorable conduct. It is also a bad action perpetrated against someone and a public affront. Example: Abuse of force is a shameful action.