| childish(adjective, new, inexperienced, infant, young) |
| juvenile(adjective, young, childish, youthful) |
| young(adjective, young, immature, youthful, like a boy) |
| puerile(adjective, infant, young, youthful, like a boy) |
| adolescent(adjective, young, immature, youthful, preadult) |
| boylike(adjective, youthful) |
| immature(adjective, young, youthful) |
| masculine(adjective, male) |
| youthful(adjective, new, young, immature) |
| childlike(adjective, like a boy) |
| coltish(adjective, pleasure, joy, lively, glad) |
| male(adjective, male) |
| callow(adjective, infant, young) |
| girlish(adjective, infant, young) |
| airy(adjective, pleasure, glad, merry, funny) |
| amused(adjective, pleasure, joy, lively, glad) |
| amusing(adjective, pleasure, joy, lively, glad) |
| blithe(adjective, pleasure, joy, lively, glad) |
| boon(adjective, pleasure, joy, lively, glad) |
| buoyant(adjective, pleasure, joy, lively, glad) |