(Servant) In a dream, vinegar means money that is earned and spent in piety with blessings contained therein, or it could mean longevity, or wasting the least time possible in doing one’s work. Vinegar sediments in a dream represent ignoble or evil money that carries meager benefits, or which is deemed shoddy. In a dream, vinegar and its container represent a servant and her dwellings. Drinking vinegar in a dream means enmity with one’s household, or it could mean a family quarrel. As for a prisoner, drinking vinegar in a dream means his release from prison. Good vinegar in a dream means income and blessings, though when rarefied or stale, it means struggling to earn one’s livelihood. It also means toiling to make ends meet, or it could mean hardships. Vinegar in a dream also may mean marital problems, difficulties with one’s children, or a conflict at work. Vinegar in a dream also represents one’s bosom friend.
To water one’s garden with vinegar in a dream means sleeping with one’s mother.... Islamic Dream Interpretation
1- Vinegar, because it is sour, is a representation of all that is problematic in taking in information. It can thus signify knowledge which is unpalatable.
2- Oddly enough vinegar is a svmbol of life, both because it preserves, and also because it is something which is left after a change of its original state. In dreams this symbolism can come across very strongly.
3- The preservation of spiritual life and all that we hold dear to us is symbolised by vinegar because of its preservative qualities.... Ten Thousand Dream Dictionary
Making the best of a bad situation. Vinegar is actually wine or cider that has turned, but still gets effectively applied. What situation seems negative right now, and how can you mix things up so that they turn in your favor?
Placing objects into vinegar: Safeguarding or saving things for when they are most needed. Vinegar has a natural preservative quality that allows it to last for up to a year along with any herbs placed therein.
Drinking vinegar: Being a sourpuss, as if you’ve just swallowed vinegar along with your words (e.g., someone who is full of “piss and vinegar”).... The Language of Dreams
Vision + Depth Psychology: Seeing or even drinking vinegar: things are apt to turn sour in the near future; your goals won’t be realized as planned. Making your own vinegar: unpleasant feelings (frustration, anger) toward others.... Dreamers Dictionary