| silk-stocking(right, moderate, conservative, conformist, reactionary) |
| sober(moderate, cautious, conventional, timid, traditional) |
| square |
| stable(moderate, cautious, conventional, timid, traditional) |
| steady(moderate, cautious, conventional, timid, traditional) |
| stick-in-the-mud(right, moderate, conservative, conformist, reactionary) |
| stuffy |
| stupid(adjective, informal) |
| tame(adjective, dull, moderate, low, stiff) |
| tedious(dull, late, behind) |
| time-consuming(adjective, dull, moderate, low, stiff) |
| timid(moderate, cautious, conventional, traditional, conservative) |
| traditionalistic(adjective, moderate, cautious, conventional, timid) |
| unchangeable(moderate, cautious, conventional, timid, traditional) |
| unchanging(moderate, cautious, conventional, timid, traditional) |
| uncreative(moderate, cautious, conventional, timid, traditional) |
| undaring(moderate, cautious, conventional, timid, traditional) |
| unenlightened |
| uneventful(dull, late, behind) |
| unimaginative(moderate, cautious, conventional, timid, traditional) |