Shop Best Buy for electronics, computers, appliances, cell phones, video games & more new tech. Store pickup & free 2-day shipping on thousands of items. 3 days ago · The meaning of BUY is to acquire possession, ownership, or rights to the use or services of by payment especially of money : purchase. How to use buy in a sentence. to get something by paying money for it: 2. to pay someone so that they do what you want or do…. Buy, purchase imply obtaining or acquiring property or goods for a price. Buy is the common and informal word, applying to any such transaction: to buy a house, vegetables at the … 10 senses: 1. to acquire by paying or promising to pay a sum of money or the equivalent; purchase 2. to be capable of.... Click for more definitions. Find the best prices and places to buy. Google Shopping organizes information from thousands of online and local stores for you. Free shipping on millions of items. Get the best of Shopping and Entertainment with Prime.