| boyishness | (n) being characteristic of a boy |
| hoydenism | (n) masculinity in women (especially in girls and young women), Syn. tomboyishness |
| Boyishness | n. The manners or behavior of a boy. [ 1913 Webster ] |
| 乳臭 | [にゅうしゅう, nyuushuu] (n) boyishness; inexperience [Add to Longdo] |
| Knabenhaftigkeit { f } | boyishness [Add to Longdo] |