If you dreamed about horse being killed: If necessary, you may carry more load than you can handle, you may need to ask more questions. To see that a horse is killed in a dream indicates that there are people around the person who are jealous of his happiness, who are unable to attract, envy and want to prevent this happiness, and that these people will do their best to harm him. It is a sign that the person's wish will be prevented and he will be very upset.