Writing a letter asking someone for money may seem difficult, or even impolite.
Soba is served both hot and cold and it is not considered impolite to slurp while drawing the noodle into your mouth.
Since most of us were raised to believe it's impolite to discuss money, it's common to feel like you have no clue whether or not your spending is "normal" in relation to those around you.
Choosing favors when another person is hosting the party could be considered impolite unless the host asks for input or suggestions.
You know, my mother always said it was impolite to stare.
It is considered impolite and pretentious for a couple to request monetary gifts or cash as part of their wedding registry.
"Permit me to say," returned the dragonette, "that you are rather impolite to call us names, knowing that we cannot resent your insults.