High-power rocketry refers to the hobby or sport of launching large and powerful rockets using solid fuel motors. Synonyms for high-power rocketry include advanced rocketry, experimental rocketry, and model rocketry. Advanced rocketry refers to the use of advanced technology and materials in rockets, while experimental rocketry involves testing new designs and innovations in rocketry. Model rocketry, on the other hand, involves building and launching small-scale rockets for educational or recreational purposes. Other synonyms for high-power rocketry include amateur rocketry, hobby rocketry, and sport rocketry. Regardless of the synonym used, high-power rocketry is an exciting and challenging activity that requires skill, knowledge, and attention to safety.