| firm(noun, adjective, set, clear, solid) |
| resolute(adjective, strong, flat, firm, solid) |
| unwavering(adjective, set, clear, strong, flat) |
| steadfast(adjective, clear, strong, flat, firm) |
| undaunted(adjective, unmoved) |
| unfaltering(adjective, set, clear, strong, firm) |
| constant(adjective, set, clear, strong, flat) |
| immovable(adjective, firm, solid, stable, fixed) |
| steady(adjective, clear, strong, flat, firm) |
| unswerving(adjective, firm, solid, steady, stable) |
| inflexible |
| calm(adjective, firm, solid, cold, indifferent) |
| staunch(adjective, strong, flat, firm, solid) |
| unmoved(adjective, cold, indifferent, unyielding) |
| unshakable(adjective, clear, strong, firm, solid) |
| determined(adjective, strong, flat, firm, solid) |
| fixed(adjective, clear, strong, flat, firm) |
| set(adjective, clear, strong, flat, firm) |
| strong |
| tenacious |