| absolute | inflexible, uncompromising, intransigent |
| cheverel | flexible, yielding, pliant |
| Fates | trio of goddesses who control human destiny: Atropos (‘the inflexible’) cuts the thread of life allotted and spun by Lachesis (‘the distributor’) and Clotho (‘the spinner’) |
| flexible | yielding, pliable, easily moved |
| hinge | bend, make flexible |
| irremovable | immovable, inflexible, adamant |
| obdurate | stubborn, obstinate, inflexible |
| obstinate | unyielding, inflexible, hard-hearted |
| steeled | hardened, inflexible, callous |