Health is a state of physical, mental and social well-being, not just the absence of ... They base this definition on the idea that the past few decades have seen Today, three types of definition of health seem to be possible and are used. The first is that health is the absence of any disease or impairment. The second Health definition is - the condition of being sound in body, mind, or spirit; especially : freedom from physical disease or pain. How to use health in a sentence.