| snowy(adjective, clear, simple, bright, clean) |
| solid(adjective, good, great, complete, correct) |
| splendid(pure, faultless, textbook, superlative) |
| sterling |
| strict(right, perfect, exact, proper, true) |
| sublime(pure, faultless, textbook, superlative) |
| through-and-through |
| true(adjective, correct, right, flat, appropriate) |
| ultimate(adjective, perfect, model, superb, expert) |
| uncontaminated(adjective, clean, honest, solid, perfect) |
| unharmed(adjective, good, bad, great, sound) |
| unmarked(adjective, clear, beautiful) |
| unspotted(adjective, clear, simple, bright, clean) |
| unstained(adjective, clear, simple, bright, clean) |
| untainted(adjective, good, great, sound, excellent) |
| untried(adjective, unconcerned, unaffected, spotless, intact) |
| above reproach(expression, correct, clean, perfect, pure) |
| acceptable(adjective, good, bad, great, sound) |
| according to Hoyle(expression, idiom, right, perfect, exact) |
| acme(adjective, perfect) |