| unlearned(adjective, innocent, thick, unfamiliar, unconscious) |
| unlettered(adjective, innocent, thick, unfamiliar, unconscious) |
| unmatured |
| unmindful(adjective, innocent, thick, unfamiliar, unconscious) |
| unread(adjective, innocent, thick, unfamiliar, unconscious) |
| unripe |
| unscholarly(adjective, ignorant, unknowing, hermetical, unbriefed) |
| unsophisticated(adjective, new, fresh, raw, innocent) |
| unsure |
| unsuspecting(adjective, innocent, thick, unfamiliar, unconscious) |
| untaught(adjective, innocent, thick, unfamiliar, inexperienced) |
| unused(adjective, new, raw, inept, unfamiliar) |
| unused to |
| unwitting(adjective, innocent, thick, unfamiliar, unconscious) |
| unworldly(adjective, new, raw, inept, unfamiliar) |
| vacuous |
| verdant(adjective, new, raw, inept, unfamiliar) |
| wet behind ears(expression, adjective, idiom, inept, inexperienced) |
| wet behind the ears(expression, adjective, idiom, fresh, raw) |
| witless(adjective, innocent, thick, unfamiliar, unconscious) |