| no laughing matter(noun, expression, adjective, idiom, tough) |
| no strings attached(expression, adjective, idiom, complete, simple) |
| of consequence(expression, adjective, tough, severe, important) |
| operose(adjective, tough, severe, important, significant) |
| out for blood(expression, adjective, idiom, tough, severe) |
| playing hard ball(expression, adjective, idiom, tough, severe) |
| plenary(adjective, complete, simple, total, pure) |
| real McCoy(noun, genuine) |
| seriousness |
| sheer(adjective, complete, simple, total, pure) |
| smoking(adjective, tough, severe, important, significant) |
| sobering(adjective, tough, severe, important, significant) |
| solemnity |
| straight out(expression, adjective, complete, simple, total) |
| strictly business(expression, adjective, tough, severe, important) |
| total(adjective, complete, simple, pure, utter) |
| tough(adjective, severe, difficult, important, significant) |
| ugly(severe, weighty, aper, demoniac, crucial) |
| unabridged(adjective, complete, simple, total, pure) |
| unamusing(adjective, tough, severe, important, significant) |