To dream of a vase represents something in your life that you can only admire. Behavior or choices you make for the sake of being noticed a positive light by others. Positively, it may reflect achievements you feel good about.
Negatively, a vase may reflect vanity or the risk of resting on your laurels. Insecurity or jealousy about yourself having no important function. A role based on image only.
To dream of a broken vase may reflect feelings about yourself being noticed by others as having a flaws or problems that are not normal for you to have.
Women who are going through menopause often dream of a vase. This may reflect their empty feelings about femininity as they become aware of themselves losing their reproductive ability. Awareness of themselves being noticed physically as a woman while barren inside.
Example: A young man dreamed of seeing someone accidentally break a vase. In waking life he was very confident about his grades and didn’t study for a test that he eventually failed.
Example 2: A woman dreamed of a vase her mother had given her having a huge crack in it. In waking life her second husband had died. The vase reflected her feelings about herself being noticed by others as having something wrong with her if she was single.