| hard and fast(expression, idiom, firm, solid, stiff) |
| hardheaded(inflexible, unbending) |
| hidebound(firm, solid, stiff, inflexible, unbending) |
| inflexible |
| jelled(firm, solid, stiff, inflexible, unbending) |
| located(firm, solid, stiff, inflexible, unbending) |
| placed(firm, solid, stiff, inflexible, unbending) |
| positioned(firm, solid, stiff, inflexible, unbending) |
| set(inflexible, unbending) |
| set in your ways(expression, idiom, inflexible, unbending) |
| sited(firm, solid, stiff, inflexible, unbending) |
| situate(firm, solid, stiff, inflexible, unbending) |
| situated(firm, solid, stiff, inflexible, unbending) |
| solid(firm, stiff, inflexible, unbending) |
| stable(firm, solid, stiff, inflexible, unbending) |
| stiff(firm, solid, inflexible, unbending) |
| strict(firm, solid, stiff, inflexible, unbending) |
| unbending |
| unyielding(firm, solid, stiff, inflexible, unbending) |