| inattentive |
| inefficient(adjective, inadequate, useless, improper, incompetent) |
| infantile(adjective, young, childish, undeveloped, unformed) |
| jejune(dull, flat, slow, raw, young) |
| junior(adjective, young) |
| maladroit(dull, flat, slow, inadequate, inept) |
| nonprofessional(adjective, amateur) |
| not taught |
| novel(adjective, unusual, strange, fresh, original) |
| oblivious(adjective, innocent, thick, unfamiliar, unconscious) |
| open(simple, innocent, ignorant, naive, artless) |
| plastic |
| poor(adjective, weak, inadequate, unfit, unqualified) |
| practice |
| sophomoric(adjective, new, raw, reckless, inexpert) |
| strange(adjective, unusual, fresh, original, odd) |
| teenage(adjective, young) |
| unable(adjective, dull, weak, flat, slow) |
| unapt(useless, incompetent, unqualified, inept, unable) |
| uncomplicated(adjective, simple, natural, straightforward, incompetent) |