| ill-tempered(adjective, hard, evil, rough, nasty) |
| importune |
| infamous(adjective, hard, evil, rough, nasty) |
| insufferable(adjective, nasty, offensive, unpleasant, terrible) |
| invidious(adjective, nasty, offensive, terrible, disgusting) |
| irking |
| irritative |
| knavish(adjective, hard, evil, rough, nasty) |
| lamentable(adjective, sorrow, negative, emotion) |
| liverish(adjective, hard, evil, rough, nasty) |
| loathful(adjective, awful, terrible, horrible, yuck) |
| low-down and dirty(expression, adjective, idiom, hard, evil) |
| lowest(rough, rude, hostile, irritable, touchy) |
| malevolent(adjective, nasty, unpleasant, terrible, disgusting) |
| malicious(adjective, hard, evil, rough, nasty) |
| malign(adjective, hard, evil, rough, nasty) |
| mawkish(adjective, awful, terrible, horrible, yuck) |
| messy(adjective, tough, unpleasant, horrible, painful) |
| monstrous |
| mucky(adjective, awful, terrible, horrible, yuck) |