| undeniable(adjective, clear, correct, right, firm) |
| unquestionable(adjective, clear, correct, right, flat) |
| certain(adjective, clear, certain, true, real) |
| sure(adjective, set, clear, sound, correct) |
| indisputable(adjective, clear, certain, true, definite) |
| unequivocal(adjective, clear, certain, definite, absolute) |
| absolute(adjective, clear, total, certain, real) |
| definite(adjective, clear, flat, firm, total) |
| incontestable(adjective, clear, certain, true, definite) |
| incontrovertible(adjective, clear, certain, true, definite) |
| irrefutable(adjective, clear, firm, solid, physical) |
| positive(adjective, clear, certain, true, definite) |
| clear(adjective, total, certain, definite, absolute) |
| undoubted(adjective, clear, sound, correct, right) |
| evident(adjective, clear, certain, definite, obvious) |
| unmistakable(adjective, clear, total, certain, absolute) |
| obvious(adjective, clear, certain, definite, evident) |
| categorical(adjective, clear, total, plain, certain) |
| conclusive(adjective, clear, certain, sure, certainty) |
| distinct(adjective, clear, plain, straightforward, obvious) |