| stainless(flawless, faultless, textbook) |
| strict(adjective, correct, proper, flawless, faultless) |
| sublime(flawless, faultless, textbook) |
| suitable(adjective, correct, proper, flawless, faultless) |
| superb(flawless, faultless, textbook) |
| superlative(flawless, faultless, textbook) |
| supreme(flawless, faultless, textbook) |
| ten(flawless, faultless, textbook) |
| textbook(adjective, correct, proper, suitable, flawless) |
| true(adjective, correct, proper, flawless, faultless) |
| unadulterated(flawless, faultless, textbook) |
| unalloyed(adjective, flawless, faultless, textbook, unspoiled) |
| unblemished(flawless, faultless, textbook) |
| unbroken(flawless, faultless, textbook) |
| undamaged(flawless, faultless, textbook) |
| unequaled(flawless, faultless, textbook) |
| unerring(adjective, correct, proper, flawless, faultless) |
| unflawed(flawless, faultless, textbook) |
| unimpaired(flawless, faultless, textbook) |
| unmarred(flawless, faultless, textbook) |