| front-page(important, significant, substantial, valuable) |
| heavy(severe, significant, substantial, valuable) |
| huge(large, grand, immense, massive) |
| imperative(significant, substantial, valuable, vital) |
| importunate(significant, substantial, valuable, vital) |
| large(adjective, spread, substantial, grand) |
| major(severe, important, substantial, grand) |
| marked(significant, substantial, valuable, vital) |
| massive(large, huge, immense) |
| material(important, significant, substantial, valuable) |
| mattering much(expression, significant, substantial, valuable) |
| necessary(significant, substantial, valuable, vital) |
| of moment(expression, important, significant, substantial) |
| of note(expression, significant, substantial, valuable) |
| of substance(expression, significant, substantial, valuable) |
| ponderous(significant, substantial, valuable, vital) |
| pressing(severe, significant, substantial, valuable) |
| primary(significant, substantial, valuable, vital) |
| principal(significant, substantial, valuable, vital) |
| prolonged(adjective, great, deep, high) |