juvenility
immature
childishness
schoolboyism
juvenileness
juvenilism
teenageritis
groundation
kidstakes
infantilism
schoolboyish
Columbine syndrome
schoolgirlism
juvenilization
pedology
hoodlum
dummy spit
big baby
juvenile
puerilism
paedomorphic
neoteny
puppyhood
as the twig is bent, so is the tree inclined
behaviourally
pedomorphism
hebe-
kiddiness
MBD
ADHD
mischievousness
teenagerish
attention deficit disorder
badness
child
baby
minimal brain dysfunction
girlism
attention deficit hyperactivity disorder
activity
hyperkinetic syndrome
ADD
polyvictimization
minimal brain damage
naughtiness
keelie
charva
childism
neotenous
juvenilely