Dream about a funeral of someone who is already dead is a metaphor for feelings of rejection or disappointments. You are being well-grounded and down to earth or that you have been grounded. You need to be more vocal and work harder to get your point across. This dream refers to a loss of faith, opportunity and trust. Someone may be trying to take credit for your work.
A funeral of someone who is already dead dream is unfortunately a warning for betrayal, disharmony, misfortune and death. Do not take no for an answer. You feel that you are being sucked up by some problem. This is a warning alert for your extreme need for security and protection to the point where you may be isolating yourself from others. You need to get out of the rut.
If you dreamt about a funeral of someone who is already dead:
You generally have a hard enough time trying to work out how you feel deep inside about a certain person, but when you have to fathom out why they are behaving as they are, and what motivates them, then it may all become overwhelming. Just go with the flow.