| unworldly(adjective, open, simple, easy, natural) |
| vivacious(adjective, sociable) |
| absolute(adjective, simple, clean, plain, pure) |
| artless(adjective, open, simple, easy, clean) |
| austere(adjective, simple, clean, plain, pure) |
| authentic(adjective, simple, pure, natural, straightforward) |
| bald(adjective, succinct) |
| being oneself(expression, simple, easy, real, genuine) |
| blunt(adjective, succinct) |
| bohemian |
| breezy(cool, simple, relaxed, indifferent, casual) |
| bush-league(adjective, simple, natural, straightforward, naive) |
| chatty(adjective, sociable) |
| childlike(adjective, open, simple, easy, plain) |
| classic(adjective, simple, clean, plain, pure) |
| clean(adjective, simple, plain, pure, ordinary) |
| clear(adjective, succinct) |
| clubbable |
| clubby |
| colloquial(adjective, simple, easy, plain, modest) |