| self-determining(adjective, free, main, independent) |
| self-employed(adjective, free, main, independent) |
| self-governed(adjective, free, main, independent) |
| self-supported(adjective, free, main, independent) |
| self-sustained(adjective, free, main, independent) |
| senior(adjective, top, rank, high, post) |
| significant(adjective, importance, rank, valuable, post) |
| smug(adjective, free, main, independent) |
| stand-alone(adjective, free, main, independent) |
| successive(adjective, free, main, independent) |
| supervisor(noun, strong, top, head) |
| supporting(adjective, free, main, independent) |
| taskmaster(noun, strong, top, head) |
| unallied(adjective, free, main, subordinate, independent) |
| unconditioned(adjective, main, free-living, fissiparous, nonsymbiotic) |
| unconquerable(adjective, free, main, independent) |
| unequaled(adjective, free, main, independent) |
| unreliant(adjective, valuable, freedom, first) |
| upper(adjective, top, high, over, up) |
| Spartan(adjective, strong, free, independent) |