у испанцев и итальянцев даже есть понятие quarto d'ora di cortesia -
учтивые четверть часа. прийти вовремя - не дать хозяевам хорошо подготовиться.
всегда всем хорошо - чутко опоздать.
If you say that someone or something is ugly, you mean that
they are very unattractive and unpleasant to look at.
an ugly little hat...
She makes me feel dowdy and ugly. ≠ beautiful
If you refer to an event or situation as ugly, you mean that it is
very unpleasant, usually because it involves violent or aggressive behaviour.
There have been some ugly scenes...
The confrontation turned ugly.