High-energy
Part of speech: adjective
Definition: of an elementary particle, or the equivalent electromagnetic radiation, having an energy greater than a hundred thousand electron volts producing a large amount of energy (when reacting) vigorous, energetic or dynamic
Energetic
Part of speech: adjective
Definition: Possessing, exerting, or displaying energy.Of or relating to energy.
Example sentence: My grandmother was energetic and fearless - a talented poet and songwriter. She was also interested in chemistry and history and medicine, taking care of the people in her hacienda in Mexico, delivering babies. She could have become anything, but this was the 1930s, and she was forced into an arranged marriage.