| Word | Antonym | % Correct |
|---|---|---|
| Young | Old | 98%
|
| Weak | Strong | 97%
|
| Ascend | Descend | 96%
|
| Longitude | Latitude | 92%
|
| Deep | Shallow | 92%
|
| Paternal | Maternal | 90%
|
| Dawn | Dusk | 89%
|
| Inferior | Superior | 89%
|
| Debit (accounting) | Credit | 82%
|
| None | All | 78%
|
| Acute (geometry) | Obtuse | 72%
|
| International (flight) | Domestic | 66%
|
| Latter | Former | 65%
|
| Alkaline | Acidic | 64%
|
| Artificial | Natural | 58%
|
| Starboard | Port | 56%
|
| Anterior | Posterior | 47%
|
| Expand | Contract | 46%
|
| Despair | Hope | 45%
|
| Forte (music) | Piano | 44%
|
| Cursive | 41%
| |
| Centripetal | Centrifugal | 36%
|
| Precede | Succeed | 32%
|
| Satiety | Hunger | 29%
|