immature
young
at half cock
baby
callow
fledgling
green
growing
half-baked
half-cocked
half-grown
hopeful
ill-digested
impubic
infant
junior
juvenal
juvenile
maturescent
minor
nubile
pubescent
raw
sapling
slip
sprig
stripling
teenager
teener
teenybopper
underripe
unfledged
ungrown
unmellowed
unripe
unseasoned
young hopeful
young person
younger
youngest
youngling
youngster
youth
adolescence
adult
delinquent
girlish
grow
hysterical
lifelong
male
momentary
morbid
only
perverse
sadistic
schoolboy
schoolgirl
teenage
uncontrollable
wayward
youthful
Crescent
antidepressant
convalescent
crescent
depressant
effervescent
evanescent
fluorescent
incandescent
incessant
iridescent
luminescent
obsolescent
quiescent
suppressant