noun
ADJECTIVE
▪ big
▪
Your ~ is big for his age.
▪
Don't cry—you're a big ~ now.
▪ little , small
▪
A little ~ rode by on a tricycle.
▪
Their ~ is small for his age.
▪ young
▪
Our youngest ~ is just starting school.
▪ elder , eldest , older
▪
How old is your eldest ~?
▪ baby
▪ five-year-old , etc.
▪ adolescent , teenage
▪ good
▪
Eat up your greens—there's a good ~.
▪ bad , naughty
▪ bright , clever ( esp. BrE ), smart ( esp. AmE )
VERB + BOY
▪ have
▪
They've had a baby ~.
▪
I have three ~s.