Definition: Risk implies future uncertainty about deviation from expected earnings or expected outcome. Risk measures the uncertainty that an investor is willing to take to realize a gain from an investment. Description: Risks are of different types and originate from different situations. Risk is the possibility of something bad happening, [1] comprising a level of uncertainty about the effects and implications of an activity, particularly negative and undesirable consequences. [2][3] The impurity of the water is a serious health risk. It was an awful risk to take. Are you prepared to put your children at risk? The benefits of this treatment far outweigh any risks. There are too many risks attendant on such a large investment of money. Risk is a fundamental concept that pervades various domains of human existence, ranging from finance to health and safety. It refers to the possibility of an undesirable event occurring and the potential consequences that may follow. Definitions of risk range from narrow definitions - risks to people or machinery resulting from hazards - to wide definitions that see risk as any uncertainty of outcome. The diagram at the top of this article shows how risk can be defined in narrow, medium, and broad ways. The impurity of the water is a serious health risk. It was an awful risk to take. Are you prepared to put your children at risk? The benefits of this treatment far outweigh any risks. There are too many risks attendant on such a large investment of money. Risk is the potential for a loss or negative outcome. This includes but is not restricted to the potential that you will not achieve a goal or target. The following are the basic things to know about risk. Risk is a universal feature of life that surrounds all action and inaction. The simple definition of RISK is the possibility that something bad or unpleasant (such as an injury or a loss) will happen. A factor, thing, element, or course involving uncertain danger; a hazard: the usual risks of the desert: rattlesnakes, the heat, and lack of water (Frank Clancy). The meaning of RISK is possibility of loss or injury : peril. How to use risk in a sentence.