| perennial(persistent, continuous, hardened, lasting, continuing) |
| persistent(continuous, hardened, lasting, continuing, confirmed) |
| persisting(persistent, continuous, hardened, lasting, continuing) |
| pertinacious(tough, difficult, awkward, obstinate, stubborn) |
| perverse(tough, difficult, awkward, obstinate, stubborn) |
| poorly(mean, weak, down, ill, sick) |
| protracted(persistent, continuous, lasting, continuing, remaining) |
| qualmish(mean, weak, down, ill, sick) |
| queasy(mean, weak, ill, sick, green) |
| recalcitrant(tough, difficult, wild, awkward, obstinate) |
| recurring(persistent, continuous, lasting, continuing, remaining) |
| refractory(tough, difficult, wild, awkward, obstinate) |
| resolute(tough, difficult, obstinate, stubborn, willful) |
| rheumatic |
| rickety(mean, weak, down, ill, sick) |
| rocky(mean, weak, ill, sick, green) |
| rooted(persistent, continuous, lasting, continuing, remaining) |
| rotten(mean, weak, down, ill, sick) |
| routine(persistent, continuous, lasting, continuing, remaining) |
| run down(expression, mean, weak, sick, green) |