Synonyms for Hyperactive:

adj.

all (adjective)
overactive.
excessively active (adjective)
overactive.

n.

energetic, vigorous, animated, dynamic, vital, alive, lively. posterior, function, anterior, region, site, cervical, pectoral, prehensile, open. hyperactive (noun)
active, overactive.

Other synonyms:

cervical, anterior, prehensile, pectoral, posterior. site. function. open. Other relevant words:
energetic, dynamic, posterior, prehensile, alive, animated, vital, site, vigorous, pectoral, open, region, cervical, function, anterior, lively.