| roundabout(subordinate, secondary, rambling, indirect, incidental) |
| roundabout unintended(expression, ambiguous, rambling, incidental, circuitous) |
| salutary(adjective, good, valuable, practical, helpful) |
| satellite(low, minor, secondary, lesser, indirect) |
| second-banana(lower, importance, mediocre, substandard, secondary) |
| second-fiddle(adjective, lower, low, importance, inferior) |
| second-string(adjective, light, slight, lower, low) |
| second rate(expression, adjective, idiom, lower, reserve) |
| secretary |
| section(division, portion, subdivision, outlet, sector) |
| serpentine(ambiguous, rambling, incidental, circuitous, tortuous) |
| serving |
| sidelong(subordinate, ambiguous, rambling, incidental, circuitous) |
| sinister(ambiguous, rambling, incidental, circuitous, tortuous) |
| sinuous(ambiguous, rambling, incidental, circuitous, tortuous) |
| small(light, slight, low, inferior, insignificant) |
| small-fry(adjective, light, slight, low, small) |
| small-time(light, slight, low, small, inferior) |
| snaking(ambiguous, rambling, incidental, circuitous, tortuous) |
| sneaking(ambiguous, rambling, incidental, circuitous, tortuous) |