| unintellectual(adjective, innocent, thick, unfamiliar, unconscious) |
| unknowledgeable(adjective, innocent, thick, unfamiliar, unconscious) |
| unknown(obscure, dark, secret, hidden, concealed) |
| unlearned(adjective, innocent, thick, unfamiliar, unconscious) |
| unlettered(adjective, innocent, thick, unfamiliar, unconscious) |
| unmindful(adjective, innocent, thick, unfamiliar, unconscious) |
| unread(adjective, innocent, thick, unfamiliar, unconscious) |
| unrevealed(adjective, obscure, dark, unknown, hidden) |
| unscholarly(adjective, ignorant, unknowing, hermetical, unbriefed) |
| unschooled(adjective, innocent, ignorant, naive, unfamiliar) |
| unseen(obscure, dark, secret, unknown, hidden) |
| unsuspecting(adjective, innocent, thoughtless, ignorant, unfamiliar) |
| untaught(adjective, innocent, thick, unfamiliar, unconscious) |
| untrained(adjective, innocent, thick, unfamiliar, unconscious) |
| unwitting(adjective, knowledge, innocent, thick, naive) |
| with bated breath(expression, idiom) |
| withdrawn(mysterious, private, reticent, taciturn, covert) |
| withheld(obscure, dark, secret, unknown, hidden) |
| witless(adjective, innocent, thick, unfamiliar, unconscious) |
| zipped(mysterious, private, reticent, taciturn, covert) |