| deadly(adjective, fatal) |
| earnest(adjective, importance, valuable, main, notable) |
| important(adjective, importance, significant, valuable, main) |
| lethal(adjective, deadly, fatal) |
| material(adjective, importance, valuable, main, notable) |
| outstanding(adjective, importance, valuable, main, notable) |
| significant(adjective, importance, valuable, main, notable) |
| solemn(adjective, importance, valuable, main, notable) |
| substantial(adjective, importance, valuable, main, notable) |
| unlucky(adjective, dark, gloomy, grim, black) |
| dire(adjective, black, grave, warn, unfortunate) |
| direful(adjective, significant, horrible, black, fearful) |
| influential(adjective, importance, valuable, main, notable) |
| key(adjective, importance, valuable, main, notable) |
| sinister(adjective, black, warning, threatening, menacing) |
| apocalyptic(adjective, significant, warn, luck, arouse bad emotions) |
| baneful(adjective, grave, threatening, warn, luck) |
| big-league(adjective, importance, valuable, main, notable) |
| big shot(adjective, importance, valuable, main, notable) |
| bigwig(adjective, importance, valuable, main, notable) |