| still(adjective, certain, limited, definite, inflexible) |
| stipulated(adjective, strong, flat, certain, determined) |
| straight |
| surefire(adjective, certain, reliable, trustworthy, unquestionable) |
| telling(adjective, clear, certain, definite, positive) |
| tenacious |
| there |
| thorough(adjective, complete, total, definite, absolute) |
| total(adjective, complete, passionate, enthusiastic, definite) |
| tried-and-true(adjective, intense, certain, resolute, persistent) |
| true(adjective, strong, complete, flat, warm) |
| unalloyed(adjective, complete, total, definite, absolute) |
| unbending(adjective, strong, flat, certain, determined) |
| unblinking(adjective, certain, limited, definite, inflexible) |
| unchangeable(adjective, strong, flat, firm, solid) |
| unchanging(adjective, set, clear, firm, solid) |
| uncompromising(adjective, clear, certain, definite, positive) |
| unconditional(adjective, complete, total, definite, absolute) |
| undeniable(adjective, clear, certain, definite, positive) |
| undeviating(adjective, strong, flat, firm, solid) |