Questions about example sentences with, and the definition and usage of "Boyish"

A: As in similar to the stereotypical style of a boy

A: como un chico.

A: Boyish means looking not really fully adult yet. It's different from manly, which refers to someone who definitely looks like a man.

A: she have a boyish charm.
He is so boyish!

A: “boyish” means something is related to a child, since boy means a child who is male. You might describe a girl who wears boy’s clothes as “boyish” - “She dresses boyishly.”
“edgy” means something is dangerous or daring. If someone wears “edgy” clothing, they might wear a lot of black or have many piercings. - “She wears edgy clothes”; “I listen to rap music and skateboard, I’m very edgy.”