unmoldable
Refuses to bend
Unmoldable describes something that cannot be shaped, formed, or influenced.
The word applies literally to materials that resist physical shaping: The clay had dried and become unmoldable.
More often it describes people or attitudes resistant to change or external influence: His opinions on the matter were unmoldable, an unmoldable personality.
Unable to bend
inelastic · petrified · calcified · ossified · fossilized · set · cured · solidified
Refusing to change course
- obstinateFirmly refusing to yield
- headstrongStubbornly self-willed
- willfulIntentionally unyielding
- intransigentRefusing to compromise
adamant · bullheaded · obdurate · recalcitrant · uncooperative · uncompromising · defiant · intractable
Restored or immovable
- permanentFixed without end
- immutableIncapable of being changed
- unalterableIncapable of being changed
- irreversibleCannot be undone
static · unchanging · constant · steadfast · enduring · lasting · persistent · entrenched
Able to withstand use
- toughDurable and strong
- sturdySolidly built, durable
- robustStrong and durable
- resilientAble to recover quickly
indestructible · reinforced · hardwearing · impervious · unyielding · strong · rugged · unbreakable
rigid
Unable to bend
brittle · inelastic · petrified · calcified · ossified · fossilized · set · cured · solidified · nonporous
stubborn
Refusing to change course
- obstinateFirmly refusing to yield
- headstrongStubbornly self-willed
- willfulIntentionally unyielding
intransigent · adamant · bullheaded · obdurate · recalcitrant · uncooperative · uncompromising · defiant · intractable · immovable
fixed
Restored or immovable
- permanentFixed without end
- immutableIncapable of being changed
- unalterableIncapable of being changed
irreversible · static · unchanging · constant · steadfast · enduring · lasting · persistent · entrenched · ingrained
durable
Able to withstand use
resilient · indestructible · reinforced · hardwearing · impervious · unyielding · strong · rugged · unbreakable · shatterproof