| imperfect(inexperienced, young, childish, undeveloped, unformed) |
| indiscreet(adjective, impulsive, impractical, half-baked, doomed) |
| inept(new, raw, unfamiliar, inexperienced, inexpert) |
| infantine(inexperienced, young, childish, undeveloped, unformed) |
| innocent(new, raw, inept, inexperienced, inexpert) |
| insane(impractical, half-baked, doomed) |
| irresponsible(adjective, impractical, half-baked, doomed) |
| kid(new, raw, unfamiliar, inexperienced, unskilled) |
| kidstuff(inexperienced, young, childish, undeveloped, unformed) |
| learned |
| ludicrous(impractical, half-baked, doomed) |
| new(raw, inept, unfamiliar, inexperienced, inexpert) |
| poorly planned(expression, impulsive, impractical, half-baked, doomed) |
| postgraduate |
| premature(inexperienced, young, childish, undeveloped, unformed) |
| prentice(new, raw, inept, unfamiliar, inexperienced) |
| raw(new, inexperienced, inexpert, young, untrained) |
| rookie(new, raw, inept, unfamiliar, inexperienced) |
| rude(new, raw, unfamiliar, inexperienced, inexpert) |
| schoolboyish |