To dream of a noose may represent anxiety about “screwing” yourself over or failing yourself. Feeling restricted, restrained, or that someone is ready to embarrass you the second you get out of line. It may also reflect a self-defeating mindset. Anxiety about public humiliation.
Feelings about someone who doesn’t like you getting ready to humiliate you publicly. Anxiety about becoming a total loser.
Alternatively, a noose may reflect suicidal thoughts.