| sailorly(adjective, nautical) |
| sanitary(adjective, clean, pure, unconcerned, neat) |
| satisfactory(bad, pleasant, fine) |
| satisfying(bad, pleasant, fine) |
| sea-going(adjective, nautical) |
| seafaring(adjective, nautical) |
| seaworthy(adjective, nautical) |
| secure(adjective, unconcerned, flawless, unaffected, spotless) |
| select(bad, pleasant, fine) |
| set-up(neat, tidy, thorough, organized, arranged) |
| sound(adjective, good, bad, great, pleasant) |
| spanking(bad, pleasant, fine) |
| spic-and-span(correct, clean, pure, neat, particular) |
| splendid(bad, pleasant, fine) |
| square-rigged(adjective, nautical) |
| sterling(bad, pleasant, fine) |
| stickling(correct, tidy, particular, fussy, demure) |
| strait-laced(correct, tidy, particular, fussy, demure) |
| super-eminent(bad, pleasant, fine) |
| super-excellent(bad, pleasant, fine) |