| fundamental(adjective, simple, straightforward, original, basic) |
| head(adjective, order, heavy, original, prime) |
| head of the line(expression, adjective, idiom, head, prime) |
| headmost(adjective, order, heavy, original, prime) |
| heavy(adjective, order, quality, tough, superior) |
| heavy stuff(expression, adjective, order, heavy, prime) |
| heavyweight(adjective, order, heavy, prime, primary) |
| hot stuff(expression, adjective, order, heavy, prime) |
| hotdog(adjective, order, heavy, prime, primary) |
| hotshot(adjective, order, heavy, prime, skillful) |
| hundred-proof(adjective, bad, great, superior, important) |
| impressive(adjective, bad, great, solid, extraordinary) |
| inaugural(adjective, order, heavy, original, prime) |
| incomparable(adjective, bad, tough, top, perfect) |
| inconceivable(adjective, excellent, superb, wonderful, marvelous) |
| incredible(adjective, excellent, extraordinary, superb, wonderful) |
| inimitable(adjective, bad, tough, top, perfect) |
| initial(adjective, order, simple, heavy, straightforward) |
| initially |
| introductory(adjective, simple, straightforward, original, basic) |