| noteworthy(adjective, great, extraordinary, important, wonderful) |
| number one(expression, adjective, bad, great, excellent) |
| observable(great, extraordinary, outstanding, notable, unforgettable) |
| occasional(adjective, rare) |
| of moment(expression, big, significant, substantial, valuable) |
| of note(expression, big, significant, substantial, valuable) |
| of substance(expression, big, significant, substantial, valuable) |
| out-of-sight(adjective, bad, great, excellent, superior) |
| out-of-this-world(adjective, bad, great, excellent, superior) |
| paramount(significant, vital, imperative) |
| peerless |
| phenomenal(adjective, bad, great, excellent, superior) |
| ponderous(big, significant, substantial, valuable, vital) |
| predominant(adjective, bad, great, excellent, superior) |
| pressing(big, significant, substantial, valuable, vital) |
| primary(big, significant, substantial, valuable, vital) |
| primo(adjective, bad, great, superior, important) |
| principal(adjective, bad, great, excellent, big) |
| red-letter(great, extraordinary, outstanding, notable, unforgettable) |
| relevant(big, significant, substantial, valuable, vital) |