| chief(adjective, great, heavy, important) |
| determining(adjective, important, significant, substantial) |
| portentous(adjective, heavy, significant, substantial) |
| heavyweight(adjective, great, heavy, important) |
| relevant(adjective, significant, substantial, valuable) |
| considerable(adjective, heavy, important, powerful) |
| exceptional(great, heavy, significant, substantial) |
| influential(adjective, great, important, powerful) |
| material(heavy, important, significant, substantial) |
| ponderous(heavy, significant, substantial, valuable) |
| salient(adjective, important, significant, substantial) |
| substantial(heavy, important, significant, valuable) |
| burdensome(tough, severe, heavy, substantial) |
| earnest(heavy, significant, substantial, valuable) |
| far-reaching(severe, important, significant, substantial) |
| fat(heavy, substantial) |
| front-page(great, heavy, significant, substantial) |
| importunate(adjective, important, significant, substantial) |
| marked(important, powerful, significant, substantial) |
| of moment(expression, important, significant, substantial) |