| unacquainted(new, raw, inept, inexperienced, inexpert) |
| unconversant(new, fresh, raw, innocent, inept) |
| underdeveloped(inexperienced, young, childish, undeveloped, unformed) |
| undergrown(inexperienced, young, childish, undeveloped, unformed) |
| undeveloped(inexperienced, young, childish, unformed) |
| undisciplined(new, raw, inept, inexperienced, inexpert) |
| unfamiliar with(expression, new, raw, inept, inexperienced) |
| unfinished(inexperienced, young, childish, undeveloped, unformed) |
| unfledged(new, raw, inept, inexperienced, young) |
| unformed(inexperienced, young, childish, undeveloped) |
| uninitiate(noun, adjective, inexperienced, amateur) |
| unintelligentsia |
| unpracticed(adjective, new, fresh, raw, innocent) |
| unripe(raw, inexperienced, young, immature, childish) |
| unschooled(new, raw, inept, inexperienced, inexpert) |
| unseasonable(inexperienced, young, childish, undeveloped, unformed) |
| unseasoned(new, fresh, raw, inept, inexperienced) |
| unskilled(adjective, new, raw, green, inept) |
| unsophisticated(new, fresh, raw, inexperienced, young) |
| untimely(inexperienced, young, childish, undeveloped, unformed) |