Hyperthermia describes which of the following?

having insufficient body heathaving excess body heathaving insufficient vocabularyhaving excess vocabulary

The correct answer is : "Having excess body heat.

The word Hyperthermia is formed by the prefix Hyper, from the Greek, meaning "over, beyond", implying excess; the Greek prefix Therme, which means "heat"; and, the Latin noun suffix ia, applied in different fields, including names of diseases.

Hyperthermia is defined as a human condition derived from a failure of the heat-regulating system of the body to control the heat when exposed to a hot environment whether indoors or outdoors, such condition can worsen if the person doesn't take the time to rest, cool and hydrate.