What does it mean to dream about mouth?
A mouth often stands for speech, appetite, and what you take in or let out, whether words, hunger, or what goes unsaid.
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 earliest site of pleasure and need, the oral stage, and the wish to consume or to speak.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung would see the power of the word and of expression, what the self gives voice to or swallows.
Jungian concept (our summary).Modern
Continuity ties the mouth to waking concerns about communication, eating, and self-expression, what is spoken or held back.
Continuity hypothesis (our summary).Mythological
The mouth of the god speaks creation in many myths, and the devouring mouth of the underworld swallows the dead, word and hunger together.
Rosmerta Publishing editorial synthesis (after Bulfinch).