shun - Persistently avoid, ignore, or reject (someone or something) through antipathy or caution

When David tried to join in the conversation at the club, they ignored him, and he suspected that he was being shunned because he had a different religion than they did.
farce - A deceptive action that someone tries to fool others into believing that he takes it seriously
Everyone in town knew that a bridge at the busy intersection was needed, but they felt that all the Mayor's activity about the subject was just a farce because he didn't really take the problem seriously.