| Lowest |
| Most vile |
| Most lowly |
| Least moral |
| Least noble |
| Most abject |
| Most sordid |
| Least decent |
| Most immoral |
| Most lowdown |
| Most ignoble |
| Most indecent |
| Most inferior |
| Maximally mean |
| Supremely mean |
| Mean to the max |
| Least dignified |
| Most despicable |
| Least honorable |
| Lowest of the low |
| Most dishonorable |
| Most meanspirited |
| Most contemptible |
| Of the lowest kind |
| Most mean-spirited |
| Furthest from noble |
| Bottom-of-the-barrel |
| Maximally meanspirited |
| Superlatively inferior |
| Least decent or most lowly |
| Like the lowest of low blows |
| Most reprehensible, as motives |
| Like the lowest common denominator |