| harsh(adjective, quality, rawness, crudity) |
| homemade(adjective, quality, rawness, crudity) |
| homespun(adjective, quality, rawness, crudity) |
| immature(adjective, quality, rawness, crudity) |
| impure(adjective, quality, rawness, crudity) |
| inexpert(adjective, quality, rawness, crudity) |
| makeshift(adjective, quality, rawness, crudity) |
| nature-friendly(adjective, nature, characteristic, environment) |
| non-polluting(adjective, nature, characteristic, environment) |
| nonpolluting(adjective, nature, characteristic, environment) |
| organic(adjective, nature, characteristic, environment) |
| outline(adjective, quality, rawness, crudity) |
| pollutant-free(adjective, nature, characteristic, environment) |
| pollution-free(adjective, nature, characteristic, environment) |
| prentice(adjective, quality, rawness, crudity) |
| rough(adjective, quality, rawness, crudity) |
| rough-hewn(adjective, quality, rawness, crudity) |
| rude(adjective, quality, rawness, crudity) |
| rudimentary(adjective, quality, rawness, crudity) |
| rustic(adjective, quality, rawness, crudity) |