| unskillful(adjective, weak, awkward, inadequate, useless) |
| unsophisticated(adjective, simple, tender, new, natural) |
| undeveloped(adjective, inexpert, young, immature, untrained) |
| uninitiated(adjective, ability, inadequate, useless, innocent) |
| unprofessional(adjective, immoral, inept, substandard, clumsy) |
| unschooled(noun, adjective, simple, new, natural) |
| unworldly(noun, adjective, simple, new, natural) |
| youthful(adjective, unusual, strange, new, fresh) |
| amateur(adjective, new, inadequate, raw, useless) |
| amateurish(adjective, new, awkward, inadequate, raw) |
| awkward(adjective, dull, flat, slow, inadequate) |
| childish(adjective, tender, new, little, green) |
| uncultivated(adjective, simple, coarse, fresh, innocent) |
| unexperienced(noun, adjective, about person) |
| unpracticed(adjective, ability, new, raw, innocent) |
| unpractised(noun, about person) |
| unripe(adjective, tender, new, raw, little) |
| credulous(adjective, simple, silly, stupid, innocent) |
| gullible(adjective, simple, silly, stupid, innocent) |
| inept(adjective, dull, weak, flat, slow) |