| down(adjective, simple, natural, casual, impulsive) |
| dumb |
| easy(simple, real, unaffected) |
| elementary |
| extempore(adjective, simple, natural, casual, impulsive) |
| far-sighted(adjective, intuitive) |
| fixed(adjective, characteristic, cold, natural, useful) |
| folksy(simple, easy, real, unaffected) |
| forthright(adjective, open, simple, easy, plain) |
| frank(simple, easy, innocent, real, childlike) |
| free(adjective, simple, natural, casual, impulsive) |
| free spirited(expression, adjective, simple, natural, casual) |
| freewill |
| from the hip(expression, adjective, idiom, simple, natural) |
| genuine(adjective, open, smooth, simple, easy) |
| gone off deep end(expression, passionate, violent, thoughtless, abrupt) |
| gratuitous |
| hasty(passionate, violent, thoughtless, abrupt, impetuous) |
| hazarded |
| headlong(noun, passionate, violent, thoughtless, abrupt) |