a person growing up (aged about 12 to 18)

preadult or immature

a very young child

miniature

newly made, produced, gathered, grown, arrived etc; new or different

new, just produced

of the colour of growing grass; not ripe

young, new, blooming

kinds of leafy vegetables, boiled as food

young, new, blooming

not yet fully developed; too soon (because not ready)

young, inexperienced

very childish

babyish

(of, suitable for) a young person

childish

not existing before; seen, heard of, introduced, for the first time; of recent origin; growth, manufacture etc; beginning again

recent, fresh

for, of, people in their teens

adolescent

done, said etc with good intentions

harmless, naive

foolishly trusting

harmless, naive

having lived a short time; having existed for a short time; still near its beginning; young people; children

immature