| unbearable(adjective, bad, severe, pain, extreme) |
| intolerable(adjective, pain, unacceptable, endured, insufferable) |
| insufferable(adjective, severe, pain, horrible, extreme) |
| unsupportable(adjective, pain, endured, unbearable) |
| insupportable(adjective, pain, extreme, painful, endured) |
| excruciating(adjective, severe, extreme, painful, endured) |
| unacceptable(adjective, endured, unbearable) |
| agonizing(adjective, endured) |
| extreme(adjective, severe, painful, endured, insufferable) |
| harrowing(adjective, endured) |
| impossible(adjective, pain, extreme, painful, insufferable) |
| obnoxious(adjective, endured) |
| painful(adjective, severe, extreme, endured, insufferable) |
| severe(adjective, laborious) |
| acute(adjective, endured) |
| cruel(adjective, endured) |
| dreadful(adjective, endured) |
| hard |
| harsh(adjective, endured) |
| intense(adjective, endured) |