| undissembled(adjective, open, friendly, appropriate, honest) |
| unguarded |
| uninhibited(adjective, open, direct, free, easy) |
| unpretentious(adjective, open, simple, honest, plain) |
| unrestricted(adjective, open, direct, free, easy) |
| unsuspecting(simple, innocent, childlike, trusting) |
| unvarnished(adjective, honest, plain, innocent, sincere) |
| up front(expression, adjective, open, direct, free) |
| upright(adjective, open, direct, free, easy) |
| veracious(adjective, open, honest, straight, sincere) |
| wide-eyed(adjective, good, simple, pure, natural) |
| actual(open, honest, true, straightforward, straight) |
| babe in woods(expression, adjective, idiom, good, clean) |
| barefaced(honest, sincere, genuine, candid, frank) |
| bluff |
| bold(adjective, open, direct, free, easy) |
| bona fide(expression, idiom, open, honest, true) |
| born yesterday |
| brazen(adjective, open, direct, free, easy) |
| call a spade a spade(expression, adjective, idiom, open, direct) |