most younger (adjective) juvenile: childish
Sinonime: belt, blip,
box,
buffet, cane, chastise, clobber,
clout, cuff, flax, flog, hide, larrup, lash, lather, leather,
lick, paddle,
punch,
punish, put over one's knee,
smack, sock, tan one's hide,
tan*, thrash,
trim, wallop, welt,
whip, whup
Antonime: adult, grown-up,
mature