| undiplomatic(adjective, rude, unkind, uncaring, impolite) |
| unmannerly(adjective, hard, tough, harsh, rude) |
| unpolished(adjective, hard, direct, tough, honest) |
| unrefined(adjective, hard, sharp, rude, indifferent) |
| unrestrained(adjective, calm, simple, plain, relaxed) |
| agreeable |
| aloof(adjective, indifferent, casual, nonchalant) |
| anarchistic(unusual, strange, original, unique, eccentric) |
| avant-garde(unusual, strange, unique, eccentric, atypical) |
| bad-mannered |
| bearish(adjective, hard, open, direct, tough) |
| beat(unusual, strange, unique, eccentric, atypical) |
| bohemian |
| breezy(simple, relaxed, indifferent, familiar, straightforward) |
| buddy-buddy(adjective, open, free, easy, friendly) |
| close |
| coarse |
| colloquial(adjective, simple, plain, relaxed, straightforward) |
| comfortable(adjective, calm, open, free, easy) |
| congenial(adjective, simple, plain, relaxed, straightforward) |