What does it mean to dream about jellyfish?
A jellyfish often points to a drifting, formless feeling, or a soft-looking thing that can still sting when touched.
Four ways to read it
Each reading below comes from a named tradition and a cited source, so you can see where it came from and decide what fits your dream.
Freud
Freud might read the jellyfish as a feeling without firm shape, drifting and yet able to wound, a wish or hurt that has no clear outline. Its sting could picture pain from an unexpected, gentle-seeming source. He would ask what it suggests to you.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
For Jung the jellyfish can image a primitive, formless content of the deep psyche, beautiful and dangerous, carried by currents beyond will. It often appears when feeling has no firm structure.
Jungian concept (our summary).Modern
As a threat image the jellyfish may rehearse caution toward a soft-seeming danger that stings on contact. The dream can sharpen wariness of something harmless in appearance.
Threat-simulation theory (our summary).Mythological
Sea lore is full of strange, drifting creatures of the tide, beautiful and best not touched. The deep was long imagined as home to such soft, glowing things.
Rosmerta Publishing editorial synthesis (after Frazer).