What does it mean to dream about submarine?
A submarine often pictures moving through the depths of feeling while sealed off and hidden, exploring what lies far below the surface.
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 sealed vessel beneath the water as the self submerged in the unconscious. It goes below the surface to where wishes are kept under pressure.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung could see a deliberate descent into the deep unconscious. The self is enclosed and protected as it explores material the daylight never reaches.
Jungian concept (our summary).Modern
Continuity ties the submarine to waking feelings held in or kept private. The depth and the sealed hull can mirror how submerged and contained you feel.
Continuity hypothesis (our summary).Mythological
The journey beneath the waves belongs to the old undersea realms. They picture hidden kingdoms below the water where another world keeps its own light and law.
Rosmerta Publishing editorial synthesis (after Bulfinch; Frazer).