To dream of a knife is bad for the dreamer, as it portends separation and quarrels, and losses in affairs of a business character.
To see rusty knives, means dissatisfaction, and complaints of those in the home, and separation of lovers.
Sharp knives and highly polished, denotes worry.
Foes are ever surrounding you.
Broken knives, denotes defeat whatever the pursuit, whether in love or business.
To dream that you are wounded with a knife, foretells domestic troubles, in which disobedient children will figure largely.
To the unmarried, it denotes that disgrace may follow.
To dream that you stab another with a knife, denotes baseness of character, and you should strive to cultivate a higher sense of right.
If you dream about a knife, you may be worried about a male person in your life. This dream might also mean you can solve your problems by being honest with others about your fears and anxieties.
This tool does not have positive connotations.
It may reflect the unrest and difficulty that you are experiencing.
If you are self-mutilating, consider your actions and/or addictions.
Take a hint from your unconscious and modify or discontinue your harmful thoughts or actions.
See also: Killing, Dagger