What does it mean to dream about monster?
A monster usually gives shape to a fear, a problem, or a part of yourself that feels too large or frightening to face head on.
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 would read the monster as a disguised wish or dread, dressed in a form the mind can almost bear to look at. What threatens may be something forbidden in yourself. Ask what the creature wanted and whom it pursued.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung would see the monster as the shadow, the disowned and feared made monstrous by being shut out. Turning to face it, rather than fleeing, often changes what it is. The dream may invite you to recognise it as your own.
Jungian concept (our summary).Modern
Threat-simulation theory suggests the dreaming brain rehearses danger, and a monster is a vivid stand-in for whatever feels threatening awake. The chase, the hiding, the escape are all practice. Notice what the monster might represent in your waking life.
Threat-simulation theory (our summary).Mythological
Every culture has its monsters at the edge of the map, the dragon, the beast in the labyrinth, the thing in the dark. They guard thresholds and embody what a people most feared. The hero's task is usually to face the monster rather than avoid it.
Rosmerta Publishing editorial synthesis (after Bulfinch; Frazer; Brewer).