In‐flex″i‐bil″i‐ty (?), n. [Cf. F. inflexibilité.] The quality or state of being inflexible, or not capable of being bent or changed; unyielding stiffness; inflexibleness; rigidity; firmness of will or purpose; unbending pertinacity; steadfastness; resoluteness; unchangeableness; obstinacy.
The inflexibility of mechanism. A. Baxter.
That grave inflexibility of soul. Churchill.
The purity and inflexibility of their faith. T. Warton.