In-flĕx/i-bĭl'i-ty, n.

n. [Fr. inflexibilité, Sp. inflexibilidad, It. infessibilità.]

1. The quality of being inflexible, or not capable of being bent; unyielding stiffness.
2. Obstinacy of will or temper; firmness of purpose that will not yield to importunity or persuasion; unbending pertinacity.