Schoolboyish
Part of speech: adjective
Definition: Resembling a schoolboy in behaviour.
Young
Part of speech: adjective
Definition: In the early part of growth or life; born not long ago.As if young; having the look or qualities of a young person.Of or belonging to the early part of life.Having little experience; inexperienced; unpracticed; ignorant; weak.
Part of speech: noun
Definition: People who are young; young beings.The younger generation.Offspring.
Part of speech: verb
Definition: To become or seem to become youngerTo cause to appear youngerTo exhibit younging
Example sentence: How far you go in life depends on your being tender with the young, compassionate with the aged, sympathetic with the striving and tolerant of the weak and strong. Because someday in your life you will have been all of these.