Dream about cat killing snake is a signal for your resilience and your ability to bounce back from difficult and emotional situations. It is time to stop being so hard on yourself. You are not facing and confronting your fears. This is a premonition for how much you are missing one's presence and having him/her nearby. You are being emotionally distant.
Cat killing snake dream signals encouragement and provides hope in dark and murky times. You need to proceed with caution in some relationship or situation. You want to put yourself in someone's place so you can better relate to what they are going through or experiencing. Your dream is unfortunately issues of dependency and hopelessness. You are not seeing all the details clearly.
If you dreamt about cat killing snake:
You are ready to take the lead on a certain project at work, but unfortunately, it seems that one of your co-workers has the same idea. Sharing the leadership role is not going to be so easy, so don't bother trying. Find a different solution.