| forthright(adjective, open, simple, easy, plain) |
| frank(easy, real, genuine, unaffected, unpretentious) |
| free(adjective, facility) |
| genuine(adjective, open, smooth, simple, easy) |
| homey(simple, easy, real, genuine, unaffected) |
| ignorant(adjective, open, simple, easy, real) |
| impudence |
| impudent |
| impulsive(adjective, open, simple, easy, real) |
| inartificial(adjective, open, simple, easy, real) |
| ingenuous(adjective, open, smooth, simple, easy) |
| innocent(adjective, open, smooth, simple, easy) |
| instinctive(adjective, open, simple, easy, plain) |
| jaunty |
| laid-back(simple, easy, real, genuine, unaffected) |
| light |
| naive(adjective, open, smooth, simple, easy) |
| open(genuine, unaffected, unpretentious) |
| plain(adjective, open, smooth, simple, easy) |
| polished |