| olid(adjective, rank, foul, disagreeable, sour) |
| ominous(adjective, unpleasant, horrible, disagreeable, dreadful) |
| opposed(adjective, awful, terrible, horrible, yuck) |
| outrageous(adjective, bad, blue, nasty, offensive) |
| pesky(adjective, unpleasant, awful, terrible, horrible) |
| pestilent(harmful, poisonous, toxic, insalubrity) |
| polluted(adjective, bad, offensive, unpleasant, rank) |
| putrescent |
| repellant |
| repelling |
| ripe(adjective, foul, stinking, smelly, foul-smelling) |
| ruinous(adjective, bad, evil, harmful, injurious) |
| scurvy |
| septic |
| shameful(adjective, offensive, unpleasant, disgusting, indecent) |
| sick(overpowering, cloying) |
| slimy(adjective, awful, terrible, horrible, yuck) |
| stinky(adjective, foul, rotten, stinking, smelly) |
| stuffy(adjective, stale, rotten, musty, aged) |
| suicidal(adjective, harmful, injurious, damaging, deadly) |