| unambiguous(adjective, sharp, plain, definite, precise) |
| unimpeachable(adjective, pure, certain, true, definite) |
| veritable(adjective, correct, right, honest, plain) |
| authentic(adjective, correct, right, reasonable, honest) |
| clear-cut(adjective, sharp, solid, certain, definite) |
| patent(adjective, simple, sharp, plain, certain) |
| real(adjective, clear, correct, right, honest) |
| unanswerable(adjective, ideal, all time, the best) |
| undisputable(adjective, certain, true, definite, ideal) |
| bona fide(expression, adjective, idiom, correct, right) |
| conclusive(adjective, certain, definite, sure, certainty) |
| evident(adjective, sharp, certain, definite, indisputable) |
| manifest(adjective, sharp, plain, certain, definite) |
| unchallengeable(adjective, ideal, all time, the best) |
| inarguable(adjective, certain, true, ideal, all time) |
| decided(adjective, clear, solid, perfect, certain) |
| reliable(adjective, reasonable, true, definite, real) |
| unchallenged(adjective, ideal, all time, the best) |
| uncontested(adjective, ideal, all time, the best) |
| unquestioned(adjective, understandable) |