If you saw that you were arguing with your older sister in your dream: You may lose time unnecessarily because you are dealing with things that will not benefit you in practice. To see that you are arguing with your older sister in your dream indicates that you will not have enough arguments in real life, there will be frequent problems between siblings and this situation will disturb your peace. We can also say that the person who argues with his elder sister will not be lacking in gloom and depression, and his peace will be disturbed.