alive a·live [uh-lahyv] Show IPA adjective 1. having life; living; existing; not dead or lifeless. 2. living (used for emphasis): the proudest man alive. 3. in a state of action; in force or operation; active: to keep hope alive. 4. full of energy and spirit; lively: Grandmother's more alive than most of her contemporaries. 5. having the quality of life; vivid; vibrant: The room was alive with color. I'm guessing It's Definition 5.