WordNet sense 1 (a young person of either sex):

child, fry, kid, nestling, nipper, shaver, tike, tyke, youngster, tiddler, small fry

WordNet sense 2 (warranting only temporal punishment):

venial

WordNet sense 3 (admitting of being pardoned):

pardonable

WordNet sense 4 (not of major importance):

secondary

WordNet sense 5 (of little importance or influence or power; of minor status):

insignificant

WordNet sense 6 (not of legal age):

underage, nonaged

WordNet sense 7 (limited in size or scope):

modest, small, small-scale, pocket-size, pocket-sized

WordNet sense 8 (small in range or scope):

limited