| rememberable(great, extraordinary, outstanding, notable, unforgettable) |
| rubric(great, extraordinary, outstanding, notable, unforgettable) |
| salient(adjective, great, big, wonderful, exceptional) |
| scanty(adjective, informal, rare) |
| scarce(adjective, rare) |
| scattered(adjective, rare) |
| seldom(adjective, rare) |
| semioccasional(adjective, rare) |
| serious(great, extraordinary, big, significant, substantial) |
| short(adjective, rare) |
| signal(adjective, great, extraordinary, big, important) |
| significant(big, outstanding, substantial, valuable, vital) |
| something(big, outstanding, significant, substantial, valuable) |
| sparse(adjective, rare) |
| special(adjective, bad, great, excellent, superior) |
| sporadic(adjective, rare) |
| star(adjective, bad, great, excellent, superior) |
| steller(adjective, bad, great, excellent, superior) |
| striking(adjective, great, wonderful, exceptional, marvelous) |
| subtile(adjective, rare) |