| unproved(adjective, knowledge, ability, untried) |
| unripe(adjective, inexperienced) |
| amateurish(adjective, new, raw, inexpert, unskillful) |
| inexpert(adjective, ability, fresh, raw, inept) |
| unfledged(adjective, new, raw, inept, unfamiliar) |
| unskilled(adjective, new, raw, innocent, incompetent) |
| untrained(adjective, new, raw, innocent, incompetent) |
| unused(adjective, new, raw, inept, unfamiliar) |
| amateur(adjective, raw, unqualified, inept, unfamiliar) |
| awkward(adjective, incompetent, unqualified, inept, unable) |
| crude(adjective, unskillful) |
| incompetent(adjective, unqualified, inept, unfamiliar, inexperienced) |
| unaccustomed(adjective, new, raw, inept, unfamiliar) |
| unconversant(adjective, new, raw, innocent, unknown) |
| unfamiliar with(expression, adjective, inept, unfamiliar, inexperienced) |
| unfit(adjective, ready, incompetent, unqualified, inept) |
| unpolished(adjective, fresh, raw, innocent, inexperienced) |
| unskillful(adjective, fresh, raw, innocent, incompetent) |
| innocent(adjective, fresh, raw, inept, unfamiliar) |
| kid(adjective, informal, new, raw, inept) |