BOYISH
Boy"ish, a.
Defn: Resembling a boy in a manners or opinions; belonging to a boy; childish; trifling; puerile. A boyish, odd conceit. Baillie.
BOYISHLY
Boy"ish*ly, adv.
Defn: In a boyish manner; like a boy.
BOYISHNESS
Boy"ish*ness, n.
Defn: The manners or behavior of a boy.
BOYISM
Boy"ism, n.
1. Boyhood. [Obs.] T. Warton.
2. The nature of a boy; childishness. Dryden.
BOYLE'S LAW
Boyle's" law`.