| naive(adjective, open, simple, easy, clean) |
| unaffected(adjective, open, simple, reasonable, easy) |
| natural(adjective, open, simple, reasonable, clean) |
| simple(adjective, clean, honest, plain, natural) |
| ingenuous(adjective, simple, clean, honest, natural) |
| spontaneous(adjective, free, simple, easy, impulsive) |
| uncontrived(adjective, open, simple, easy, natural) |
| unsophisticated(adjective, simple, clean, honest, plain) |
| artless(adjective, simple, easy, clean, honest) |
| unpremeditated(adjective, free, casual, spontaneous, impromptu) |
| extempore(adjective, free, simple, fake, natural) |
| impromptu(adjective, adverb, free, simple, fake) |
| informal(adjective, free, casual, impulsive, spontaneous) |
| offhand(adjective, free, simple, fake, natural) |
| extemporaneous(adjective, simple, natural, casual, impulsive) |
| guileless(adjective, simple, honest, plain, natural) |
| innocent(adjective, open, simple, easy, clean) |
| instinctive(adjective, open, simple, easy, natural) |
| modest(adjective, honest, ordinary, natural, straightforward) |
| unassuming(adjective, simple, honest, plain, modest) |