| burdensome(adjective, characteristic, harshness, roughness) |
| exhausting(adjective, characteristic, harshness, roughness) |
| fatiguing(adjective, characteristic, harshness, roughness) |
| formidable(adjective, characteristic, harshness, roughness) |
| grueling(adjective, characteristic, harshness, roughness) |
| harsh(adjective, characteristic, harshness, roughness) |
| heavy(adjective, characteristic, harshness, roughness) |
| painful(adjective, characteristic, harshness, roughness) |
| punishing(adjective, characteristic, harshness, roughness) |
| rigorous(adjective, characteristic, harshness, roughness) |
| severe(adjective, characteristic, harshness, roughness) |
| strenuous(adjective, characteristic, harshness, roughness) |
| taxing(adjective, characteristic, harshness, roughness) |
| tiring(adjective, characteristic, harshness, roughness) |
| toilsome(adjective, characteristic, harshness, roughness) |
| tough(adjective, characteristic, harshness, roughness) |
| uphill(adjective, characteristic, harshness, roughness) |
| tuna(adjective, characteristic, masculinity, maleness) |
| butch |
| hoydenish |