To dream that you are embarrassed represents your feelings of disappointment or failure. A lack of self-confidence. Insecurities about people laughing at you for hidden weaknesses being exposed. Confidence feeling undermined. Embarrassment in a dream may also be a sign that you have issues with confidence and believing in yourself. Worrying too much about what other people think.
Alternatively, embarrassment might reflect situations in waking life where you are experiencing jealousy. Insecurities about your sexuality.