Dreaming about a deceased grandfather indicates that you will be reborn, and it suggests that you want to start a new life in a new environment.
If you talk to a deceased relative in the dream, it is considered an auspicious sign. If the deceased person laughs in the dream, it may indicate that you or your close relatives may fall ill. Dreaming of a tomb is also an auspicious sign, indicating that your studies or career will have good development, or you may experience unexpected wealth!

Dreaming about a deceased grandfather
indicates your subconscious longing. If the grandfather speaks to the dreamer, the content of the conversation often reflects the dreamer's inner wishes for others to give hints. Many netizens have dreamed that deceased relatives live with them as before. Such dreams are very harmonious. In daily life, you may often think "What if he/she were still here?" and this wish is fulfilled in the dream.
In general, as long as the dream is harmonious and joyful, it is an auspicious dream, indicating that you are ready to forget some unpleasant memories and prepare to rise again from disappointment.