| compulsory(sound, certain, true, definite, obvious) |
| conspicuous(clear, simple, sharp, plain, obvious) |
| crystal(simple, sharp, distinct, understandable, well-defined) |
| decided(plain, straightforward, definite, obvious, distinctive) |
| definite(sharp, plain, certain, distinct, obvious) |
| discreet(adjective, simple, clean, plain, pure) |
| distinct(clear, sharp, definite, obvious, evident) |
| elementary(adjective, simple, clean, plain, pure) |
| explicit(simple, sharp, plain, certain, definite) |
| express(simple, sharp, distinct, understandable, well-defined) |
| folksy(adjective, simple, clean, plain, pure) |
| for sure(expression, sound, certain, true, definite) |
| glaring(clear, plain, certain, definite, obvious) |
| graspable(simple, sharp, distinct, understandable, well-defined) |
| homely(adjective, simple, clean, plain, pure) |
| homey(adjective, simple, clean, plain, pure) |
| incontestable |
| incontrovertible(sharp, plain, definite, evident, unquestionable) |
| indisputable(adjective, clear, plain, certain, straightforward) |
| inelaborate(adjective, simple, clean, plain, pure) |