To dream of burying something represents a wish to never think of something ever again. It may also reflect progress in letting go of the past or difficult issues.
Negatively, burying something in a dream may represent your attempt to hide your true feelings or cover up an issue. Removing evidence of embarrassment from your life.
Burying a dead body in a dream may reflect your attempt to move on from failures, mistakes, or losses. Negatively, it may be a sign that you are trying cover something wrong you done to someone.