air (ɛər)  noun. 1. The atmosphere. A colourless, odourless and tasteless gaseous mixture, mainly nitrogen and oxygen that surrounds the earth. 2. An atmospheric movement; a light breeze. 3. The Can you think of a word simpler than “ar”? It feels as light and effortless as its own meaning. And it makes you want to repeat it over and over through your day, a thousand times if needed: ar… ar… ar… […]