Eating bread with vinegar in a dream signifies piety, blessing, long life, and wealth.
Drinking vinegar signifies hostility with one's family.
Seeing vinegar sediment signifies a small amount of wealth that brings little benefit and little esteem. If a prisoner sees himself drink vinegar, it signifies release from prison.
Seeing pure and clean vinegar signifies provision and blessing. At times, vinegar signifies knowledge, worship, enduring the hardship of these, and also a friend or companion.