| crude(inexperienced, young, childish, undeveloped, unformed) |
| green(weak, tender, innocent, inexperienced, young) |
| half-grown(inexperienced, young, childish, undeveloped, unformed) |
| imperfect(inexperienced, young, childish, undeveloped, unformed) |
| incipient |
| inexperienced(young, childish, undeveloped, unformed, kidder) |
| kid(weak, tender, green, inexperienced, young) |
| kidstuff(inexperienced, young, childish, undeveloped, unformed) |
| new |
| premature(inexperienced, young, childish, undeveloped, unformed) |
| raw(inexperienced, young, childish, undeveloped, unformed) |
| sophomoric(inexperienced, young, childish, undeveloped, unformed) |
| tender(weak, green, inexperienced, young, childish) |
| tenderfoot(inexperienced, young, childish, undeveloped, unformed) |
| underdeveloped(inexperienced, young, childish, undeveloped, unformed) |
| undergrown(inexperienced, young, childish, undeveloped, unformed) |
| undeveloped(inexperienced, young, childish, unformed) |
| unfinished(inexperienced, young, childish, undeveloped, unformed) |
| unfledged(adjective, weak, tender, inexperienced, infant) |
| unformed(inexperienced, young, childish, undeveloped) |