A knife in dreams can symbolize sharp conflicts, division, or the need to cut away unnecessary elements from one's life. It can represent a tool for discernment, cutting through deception to uncover the truth, or a warning of potential danger. The context of the knife's use in the dream is crucial for interpretation.

Themes: conflicts, division, discernment, danger, truth

More in: 'The Interpretation of Dreams' by Sigmund Freud; 'Man and His Symbols' by Carl Jung; 'The Complete Dream Book' by Gillian Holloway.