| unplanned(adjective, impulsive, unknowing, unaware, unsuspecting) |
| unpolished(adjective, open, simple, easy, rough) |
| unseasoned(adjective, new, wonderful, inferior, fantastic) |
| unstudied(adjective, open, easy, real, sincere) |
| untried(adjective, new, inferior, raw, innocent) |
| unwary(adjective, thoughtless, heedless, ill-advised) |
| analphabetic |
| birdbrained(adjective, impulsive, unfamiliar, unknowing, unaware) |
| childlike(adjective, open, simple, easy, innocent) |
| clumsy(adjective, simple, rough, slow, rude) |
| credulous(adjective, simple, easy, silly, stupid) |
| distracted |
| dotty(adjective, foolish) |
| frank(adjective, open, simple, easy, innocent) |
| immature(adjective, new, stupid, raw, innocent) |
| inconversant(adjective, unconcerned, unknown, unconscious, heedless) |
| inept(adjective, simple, slow, rude, new) |
| inexpert(adjective, new, silly, stupid, coarse) |
| innocuous(adjective, simple, fresh, kindly, innocent) |
| insensate(adjective, simple, slow, silly, stupid) |