puerile
I
adjective
asinine, callow, childish, childishly foolish, fatuous, foolish, green, immature, inadequate, inane, infantile, infantine, injudicious, jejune, juvenile, kiddish, naive, nonsensical, petty, piddling, puerilis, raw, senseless, shallow, silly, simple, unwise, unworthy of serious consideration
II
index
inept (incompetent), jejune (lacking maturity)
Burton's Legal Thesaurus.
William C. Burton.
2006