What does it mean to dream about half?
A half in a dream often points to something divided or incomplete, a thing split in two, a measure that is part-way and not yet whole.
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 ask what the half stands for, a thing cut in two, a portion withheld, a wish only partly met. A divided object in a dream can picture a person or feeling split between two pulls.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung might read a half as a sign of something not yet whole, one part of a pair seeking its other, a wholeness still to be made. It can mark a self aware of its missing portion and reaching to be complete.
Jungian concept (our summary).Modern
Continuity ties a half to waking experience of sharing, splitting, and unfinished business, a task half done, a thing cut down the middle. Ask what in your day was divided, shared out, or left part-way.
Continuity hypothesis (our summary).Mythological
The halved thing runs through old story as the broken token, the two parts kept apart until friends or lovers meet again and match them. Across traditions a half stands for a bond awaiting its other piece.
Rosmerta Publishing editorial synthesis (after Brewer; Bulfinch).