rambunctious
adjective /ræmˈbʌŋkʃəs/
/ræmˈbʌŋkʃəs/
(especially North American English) (British English usually rumbustious)
[usually before noun] (informal)- full of energy in a cheerful and noisy way Topics Personal qualitiesc2Word Originmid 19th cent.: of unknown origin.