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Definition of rigidity:

  1. Severity; rigor.
  2. Stiffness of appearance or manner; want of ease or elegance.
  3. The quality or state of being rigid; want of pliability; the quality of resisting change of form; the amount of resistance with which a body opposes change of form; - opposed to flexibility, ductility, malleability, and softness.


inexorability, austerity, obdurateness, inflexibleness, incompliance, remorselessness, grimness, intransigency, incompliancy, relentlessness, harshness, intransigence, rigorousness, easy, rigidness, resist, inexorableness, stubbornness, inflexibility, strictness, sternness, rigor, stringency, obduracy, implacability, die-hardism, implacableness, severity.

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