something that may cause injury or harm

a feeling of extreme excitement, usually caused by something pleasant

is a contest or game in which people do certain physical activities according to a specific set of rules and compete against each other.

contenders

a hormone (= chemical substance) produced by the body when a person is frightened, angry, or excited, which makes the heart beat faster and prepares the body to react to danger

something that is dangerous and likely to cause damage

very great; beyond what is usual or what might be expected /highest degree or point

very big, large scale

the state of being excited (emotionally aroused)

the possibility that something bad or unpleasant (such as injury or a loss) will happen

the number of deaths from a particular cause or during a particular period of time among a particular group of people:

an unusual, exciting, and possibly dangerous activity, such as a trip or experience, or the excitement produced by such an activity

a physical or mental activity or contest that has rules and that people do for pleasure.