The phrasal verb "buy up" is predominantly used in informal contexts rather than formal speech, though it can occasionally appear in more formal business or economic discussions, particularly when discussing market strategies or asset acquisition. It means to purchase the entire stock or a significant amount of a particular item or resource that is available for sale, often to exert control over its availability or to prevent others from acquiring it. "Buy up" is frequently utilized in conversations about real estate, commodities, or collectible markets. For example, a company might buy up all the available land in an area for development, or a collector might buy up limited edition items to own them exclusively. This phrasal verb can also suggest a sense of urgency or aggressive economic strategy, emphasizing the action of purchasing everything or almost everything in a quick manner.
B1
PreIntermediate
1. To purchase all or a significant quantity of the available supply of something.
The company decided to buy up all the land in the area for their new project.
Collectors often buy up rare items as soon as they appear on the market.
During the shortage, many people tried to buy up essential goods to ensure they had enough.
Investors are known to buy up stocks in bulk when prices are low.
When the new console was released, fans rushed to buy up every unit in the store.