| severe(adjective, tough, severe, firm, harsh) |
| harsh(adjective, tough, severe, firm, rigid) |
| strict(adjective, severe, harsh, informal, severity) |
| stringent(adjective, tough, severe, firm, harsh) |
| cruel(adjective, harsh, severity) |
| stern(adjective, tough, severe, firm, harsh) |
| oppressive(adjective, tough, severe, firm, harsh) |
| rigorous(adjective, tough, severe, firm, harsh) |
| brutal(adjective, harsh) |
| rigid(adjective, tough, severe, firm, harsh) |
| austere(adjective, strong, tough, severe, firm) |
| drastic(adjective, harsh) |
| extreme(adjective, harsh) |
| ruthless |
| Draconic |
| dour(adjective, tough, severe, firm, harsh) |
| inhuman |
| hard(adjective, tough, severe, firm, harsh) |
| exacting(adjective, tough, severe, firm, harsh) |
| fierce |