Seller-market refers to a situation where there is more demand for goods and services than the supply, hence, the seller can increase the cost of goods. Some synonyms for the expression `seller-market' include demand market, bull market, and supply shock. In a demand market situation, the demand for goods is more than the amount available in the market. A bull market refers to a condition where the prices are rising, and the sellers are in control. In a supply shock scenario, there is a sudden and unexpected change in the supply of goods, leading to an imbalance between demand and supply. Understanding these synonyms helps individuals to make informed decisions and act quickly in different market conditions.