In*flex"i*bil"i*ty (?), n. [Cf. F. inflexibilit'e.]
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.
That grave inflexibility of soul.
The purity and inflexibility of their faith.
© Webster 1913.