- Showing disrespect to the elderly. The elderly are highly respected in Polish culture and it is considered rude to be disrespectful to them in any way. This includes speaking loudly, interrupting, or making fun of them.
- Talking about religion or politics in public. Poles are generally very tolerant of different religions and political views, but it is considered to be in bad taste to discuss these topics in public. This is because these topics can be very divisive and it is easy to offend someone's beliefs.
- Criticizing the Polish language. Poles are very proud of their language and it is considered to be disrespectful to criticize it in any way. This includes making fun of the way it sounds or the way it is spelled.
- Complaining about the weather. Poles are very aware of the fact that their weather is often not very good, but they don't like to complain about it. This is because it is seen as being negative and ungrateful.
- Breaking bread with someone who is not your friend. In Polish culture, breaking bread with someone is a sign of friendship and trust. It is considered to be disrespectful to break bread with someone who is not your friend.