| central |
| critical |
| key(adjective, outstanding, prominent, prime, major) |
| dominant(adjective, outstanding, prominent, prime, key) |
| first(adjective, top, outstanding, prominent, prime) |
| front(order, heavy, prime, primary, leading) |
| headmost(adjective, order, heavy, prime, primary) |
| heavy(order, prime, primary, supreme, leading) |
| heavy stuff(expression, adjective, order, heavy, prime) |
| heavyweight(order, heavy, prime, primary, supreme) |
| highest(adjective, order, heavy, outstanding, head) |
| hot stuff(expression, adjective, order, heavy, prime) |
| hotdog(adjective, order, heavy, prime, primary) |
| hotshot(adjective, order, heavy, prime, primary) |
| inaugural(order, heavy, prime, primary, leading) |
| leading(adjective, order, top, heavy, outstanding) |
| number one(expression, adjective, order, top, heavy) |
| order(heavy, prime, primary, supreme, leading) |
| predominant |
| primo(adjective, order, heavy, prime, primary) |