| impressionistic(adjective, feature, which, not good) |
| inane(adjective, feature, which, not good) |
| inarticulate(adjective, feature, which, not good) |
| incapacitated(verb, action, bad, doing) |
| ineloquent(adjective, feature, which, not good) |
| inexperienced(adjective, immature, childish, callow) |
| infant(adjective, immature, childish, callow) |
| infantile(adjective, feature, weak, which) |
| infectious(adjective, feature, weak, which) |
| infelicitous(adjective, feature, which, not good) |
| injurious(adjective, feature, weak, which) |
| innocent(adjective, annoying, silliness, simplistic) |
| insalubrious(adjective, feature, weak, which) |
| insanitary(adjective, feature, weak, which) |
| jellybean(adjective, immature, childish, callow) |
| jingoistic(adjective, feature, which, not good) |
| juvenescent(adjective, feature, weak, which) |
| juvenile(adjective, immature, childish, callow) |
| juvenilities(adjective, feature, weak, which) |
| kid(adjective, immature, childish, callow) |