Dream about dead great grandmother is sadly your carefulness and your cautious attitude. You are too unyielding and inflexible. You need to reevaluate your choices. This dream is a harbinger for an untouchable, unreachable and unattainable notion of perfection. You are focusing too much on petty matters.
Dead great grandmother dream signifies the carefree aspects of childhood where you did not have to worry about goals. There is a situation that you are trying to avoid. Someone is not letting you do what you want or be who you are. This dream signifies missed or denied opportunities. You need to utilize better time management.
If you dreamt about dead great grandmother:
If it appears that another person is zooming in to get a date with someone you have been working on for some time, then this could make you very angry. You will suddenly display a boldness that you never knew you had.