| self-assured(adjective, strong, easy, solid, certain) |
| self-confident(adjective, strong, easy, firm, solid) |
| sewed up(expression, adjective, set, solid, certain) |
| shoo-in(adjective, strong, easy, solid, certain) |
| stacked |
| steadfast(adjective, strong, easy, solid, certain) |
| steady(adjective, strong, easy, solid, certain) |
| still(adjective, certain, limited, definite, restricted) |
| stipulated(adjective, certain, limited, definite, inflexible) |
| sure thing(expression, adjective, clear, strong, easy) |
| surefire(adjective, set, solid, certain, sure) |
| tested |
| tried |
| tried and true(expression, adjective, idiom, strong, easy) |
| unalterable(definite, fixed, rigid, obvious, necessary) |
| unambiguous |
| unanxious(adjective, strong, easy, solid, certain) |
| unavoidable(expected, predictable, necessary, inexorable, undeniable) |
| unbending(adjective, certain, limited, definite, inflexible) |
| unblinking(adjective, certain, limited, definite, inflexible) |