| active | inactive |
| existent | non-existent |
| well-adjusted | maladjusted |
| legible | illegible |
| religious | unreligious |
| moral | immoral |
| available | unavailable |
| responsible | irresponsible |
| respectful | disrespectful |
| prestigious | disreputable |
| winning | losing |
| certain | uncertain |
| resembling | dissimilar |
| important | unimportant |
| successful | unsuccessful |
| recognisable | unrecognisable |
| serious | humorous |
| popular | unpopular |
| increasing | decreasing |
| hazardous | nonhazardous |
| advisable | inadvisable |
| distant | near |
| direct | indirect |
| normal | abnormal |
| safe | unsafe |
| previous | following |
| courageous | uncourageous |