What does it mean to dream about worm?
A worm often points to decay and renewal both, to something working unseen underground, or to a nagging doubt that eats away quietly.
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 worm as a low, hidden process, a wish or fear at work beneath the surface, sometimes tinged with thoughts of the body and decay. Its burrowing can picture buried activity. He would ask what it suggests to you.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
For Jung the worm can image humble transformation in the dark, the slow work that turns death into new soil. It often appears when something is being quietly broken down and renewed.
Jungian concept (our summary).Modern
In continuity terms a worm may echo a recent doubt that gnaws, or a sense of something rotting beneath a calm surface. The dream often mirrors a quiet, persistent unease.
Continuity hypothesis (our summary).Mythological
Old lore tied the worm to the grave and to the slow return of the body to earth, yet also to the soil's renewal. Some myths even named great serpents as worms of legend.
Rosmerta Publishing editorial synthesis (after Brewer).