When something is divided into two equal sections, half is one of the two parts. You can split a brownie in half if you want to share it with your friend. The meaning of HALF is either of two equal parts that compose something; also : a part approximately equal to one of these. How to use half in a sentence. HALF meaning: 1. either of the two equal or nearly equal parts that together make up a whole: 2. a lot: 3. Half…. Learn more. Half.com was a fixed-price online marketplace for books, textbooks, music, movies, video games, and video game consoles. It was acquired by eBay in 2000 and shut down in 2017, with the domain redirected to the eBay website. Halff is one of the nation’s top infrastructure consulting firms. Since 1950, our people-first firm commits to improving lives & communities. In English, the first sense (half past) is the only sense in current use. The second sense (half-hour before) is almost exclusively used in reference to other cultural or linguistic backgrounds where a similar usage exists. 1. To the extent of exactly or nearly 50 percent: The tank is half empty. 2. Not completely or sufficiently; partly: only half right. HALF definition: one of two equal or approximately equal parts of a divisible whole, as an object, or unit of measure or time; a part of a whole equal or almost equal to the remainder. See examples of half used in a sentence. Copy and paste 1/2 symbol (½). This symbol may be used to indicate the half of something. HALF definition: 1. either of the two equal or nearly equal parts that together make up a whole: 2. a lot: 3. Half…. Learn more.