Dream about killing tarantulas means feelings of guilt for what you have, while others are struggling for their livelihood. You are looking for domestic security and happiness or you just need more sleep. You are trying to hone your skills and exercise your power. It states your fears of being abandoned. You are lacking your own direction in life.
Killing tarantulas dream points to unfinished/unresolved issues related to a specific relationship. You are ready to face your problems head on. There is some situation or problem that you are unclear about. It is unfortunately thoughts from the primal aspects and less developed parts of your subconscious. You are projecting your beliefs and feelings onto someone else.
If you dreamt about killing tarantulas:
You may not initially realize what is going on until it has happened. But it would be better if you could stay alert, as someone you thought you could trust may think that they can get away with behavior they shouldn’t. Don’t give them the chance.