| unworldly(adjective, simple, easy, honest, natural) |
| bona fide(expression, open, honest, true, straightforward) |
| inept(adjective, incompetent, clumsy, inexpert, inelegant) |
| plain-spoken(adjective, open, free, honest, plain) |
| uncomplicated(adjective, simple, pure, natural, straightforward) |
| uncultivated(adjective, simple, coarse, fresh, raw) |
| undeceitful |
| undeceiving |
| unreserved(adjective, open, direct, free, easy) |
| unskilled(adjective, rude, coarse, raw, useless) |
| clumsy(incompetent, inexpert, inelegant, graceless) |
| downright(adjective, open, direct, free, honest) |
| honourable |
| inexperienced(adjective, simple, coarse, natural, straightforward) |
| inexpert(adjective, coarse, incompetent, ignorant, primitive) |
| naif |
| on the level(expression, adjective, idiom, open, free) |
| primitive(adjective, open, simple, easy, coarse) |
| unartificial(adjective, simple, clean, honest, plain) |
| unassuming(adjective, honest, natural, straightforward, innocent) |