| far-reaching(adjective, tough, severe, important, significant) |
| fateful(adjective, tough, severe, important, significant) |
| fell(severe, weighty, aper, demoniac, crucial) |
| formal(adjective, cool, cold, indifferent, detached) |
| formidable(adjective, tough, severe, important, significant) |
| four-star(great, heavy) |
| front-page(great, heavy) |
| grave(adjective, dull, quiet, great, tough) |
| hard(adjective, tough, severe, important, significant) |
| heavy(dull, quiet, great, severe, weighty) |
| high-power(great, heavy) |
| impersonal(adjective, cool, cold, detached, unfriendly) |
| inhuman(adjective, cool, cold, indifferent, detached) |
| laborious(adjective, tough, severe, important, significant) |
| major(great, severe, heavy, weighty, crucial) |
| meaning business(expression, adjective, tough, severe, important) |
| meaningful(adjective, dull, quiet, tough, severe) |
| neutral(adjective, cool, cold, indifferent, detached) |
| no joke(expression, adjective, tough, severe, important) |
| no laughing matter(expression, adjective, idiom, tough, severe) |