| nonpareil(adjective, tough, top, perfect) |
| optimum(adjective, tough, top, perfect) |
| out-of-sight(adjective, tough, top, perfect) |
| out-of-this-world(adjective, great, excellent, superior) |
| out of sight(expression, adjective, idiom, tough) |
| perfect(adjective, tough, top, obscure) |
| phenomenal(adjective, great, solid, extraordinary) |
| premium(adjective, tough, top, perfect) |
| sans pareil(expression, adjective, idiom, tough) |
| second to none(expression, idiom, tough, top) |
| special(adjective, great, excellent, extraordinary) |
| steller(adjective, great, excellent, superior) |
| super(adjective, tough, top, perfect) |
| terrific(adjective, tough, top, perfect) |
| tough(adjective, top, perfect, outstanding) |
| unrivaled(adjective, tough, top, perfect) |
| world-class(adjective, great, excellent, important) |
| first class(expression, adjective, tough, top) |