What does it mean to dream about fear?
Fear in a dream usually marks something you feel threatened by, and noticing what the fear was about often matters more than the fear itself.
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 read fear in dreams as a sign that a wish or impulse the mind keeps down has pressed too close to the surface. The feeling, in his view, often stands in for a desire that has been turned away from. He noticed that what frightens us in sleep can be what we will not let ourselves want awake.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung would look at what the fear is pointing toward rather than treat it as only distress. A frightening figure can carry a part of the self that has gone unmet, and the fear can mark the edge of something asking to be known. He saw such feeling as a doorway as much as a warning.
Jungian concept (our summary).Modern
Continuity research notes that dreams tend to carry the emotional tone of waking life, so fear in sleep often echoes a real worry or threat being turned over. Some work on dreaming suggests the sleeping mind rehearses dangers in a safer setting. The fear is yours to read against what you have been facing.
Continuity hypothesis (our summary).Mythological
Old stories gave fear its own shape, the panic that Pan sent through a crowd, the dread set at the threshold of the underworld. Across cultures the hero is the one who walks on while afraid, not the one who feels nothing. The feeling was treated as a passage to cross.
Rosmerta Publishing editorial synthesis (after Bulfinch; Brewer).