| off-key(adjective, severe, bleak, stark, austere) |
| oppressive |
| out-of-key(adjective, severe, bleak, stark, austere) |
| out-of-tune(adjective, severe, bleak, stark, austere) |
| peremptory |
| perverse(determined, impulsive, stubborn, reckless, impetuous) |
| pigheaded(impulsive, reckless, impetuous) |
| pitiless(adjective, severe, bleak, stark, austere) |
| positive |
| precisian |
| punitive(adjective, severe, sharp, nasty, bleak) |
| rasping(adjective, severe, bleak, stark, austere) |
| raucous(adjective, severe, bleak, stark, austere) |
| rigorous(adjective, strong, hard, tough, severe) |
| robust(adjective, strong, hard, tough, sturdy) |
| rude(adjective, severe, sharp, nasty, bleak) |
| rugged(adjective, strong, hard, tough, severe) |
| rusty(adjective, severe, bleak, stark, austere) |
| ruthless(adjective, severe, bleak, stark, austere) |
| screeching(adjective, severe, bleak, stark, austere) |