| minimalist(adjective, simple, plain, essential, austere) |
| one-size-fits-all |
| rude(adjective, simple, rough, coarse, fresh) |
| rudimental(adjective, start, simple, elementary) |
| spare(adjective, hard, simple, severe, cold) |
| spontaneous(adjective, gut, intuitive) |
| standard(adjective, common, usual, regular, routine) |
| uncluttered(adjective, pure) |
| unthinking(adjective, gut, intuitive) |
| unvarnished(adjective, direct, simple, plain, pure) |
| viscerous(adjective, gut, intuitive) |
| absolute(adjective, essential, fundamental, key, supreme) |
| alkaline |
| blunt(adjective, hard, severe, cold, austere) |
| clean(adjective, simple, pure, stark, unadorned) |
| congenital |
| constituent(noun, adjective, law, drop, part) |
| crude(adjective, simple, rough, coarse, fresh) |
| deep-rooted |
| earliest(adjective, simple, top, rough, opening) |