If you say something that is taken as an affront in a dream, your dream could mean that you feel that people do not understand your, or that they are misinterpreting your words in waking life.
Dreaming that you say something that causes someone to feel affronted can mean that you have feelings of anger that you are unable to express in waking life.
If you dream that you experience an affront, you may think that you are being treated unfairly in waking life.