When a water bottle appears in your dream, it symbolizes your optimistic outlook and your determination to maintain hope in a particular matter. Additionally, it represents a sense of spiritual renewal and rejuvenation. However, if the water bottle you encounter is empty, it signifies your reluctance to let go of something you've been holding onto for too long. On another note, an empty water bottle may also point to a deficiency in spirituality within your life, highlighting a void that you've been unable to fill.