| superficial(adjective, unimportant) |
| supersedable |
| surplus(adjective, spare, extreme, extra, unnecessary) |
| surplus to requirements(expression, adjective, idiom) |
| tautologic |
| tautologous |
| to spare |
| unavailable(weak, stupid, idle, useless, incompetent) |
| unavailing(weak, stupid, idle, useless, incompetent) |
| unconsidered(adjective, unimportant) |
| unfunctional(weak, stupid, idle, useless, incompetent) |
| unproductive(weak, stupid, idle, useless, incompetent) |
| unprofitable(weak, stupid, idle, useless, incompetent) |
| unpurposed(weak, stupid, idle, useless, incompetent) |
| unusable(adjective, weak, stupid, useless, impractical) |
| unusuable(weak, stupid, idle, useless, incompetent) |
| unworkable(weak, stupid, idle, useless, incompetent) |
| vain(weak, stupid, idle, useless, incompetent) |
| valueless(weak, stupid, idle, useless, incompetent) |
| waste(weak, stupid, idle, useless, incompetent) |