| equanimity |
| far-reaching(adjective, tough, severe, important, significant) |
| fateful(adjective, tough, severe, important, significant) |
| fell(severe, weighty, aper, demoniac, crucial) |
| formidable(adjective, tough, severe, important, significant) |
| hard(adjective, tough, severe, important, significant) |
| laborious(adjective, tough, severe, important, significant) |
| meaning business(expression, adjective, tough, severe, important) |
| meaningful(adjective, tough, severe, important, significant) |
| no joke(expression, adjective, tough, severe, important) |
| no laughing matter(expression, adjective, idiom, tough, severe) |
| of consequence(expression, adjective, tough, severe, important) |
| operose(adjective, tough, severe, important, significant) |
| out for blood(expression, adjective, idiom, tough, severe) |
| pacification |
| playing hard ball(expression, adjective, idiom, tough, severe) |
| severe |
| smoking(adjective, tough, severe, important, significant) |
| sobers |
| stilling |