rigidity

noun

1. (countable, uncountable)The quality or state of being rigid; lack of pliability; the quality of resisting change of physical shape.

   “moral rigidity”

   “The metal’s rigidity made it hard to bend.”

   “She disliked the rigidity of the rules.”

   “For rigidity, two bulkheads are provided which are welded to the sides and underframe and which separate the cabs from the engine room.”

2. (countable, uncountable)The amount of resistance with which a body opposes change of form.

   “structural rigidity”

3. (countable, uncountable)Stiffness of appearance or manner; want of ease or elegance.

   “speak with excessive rigidity”

4. (countable, uncountable)stickiness (of prices/wages etc.). Describing the tendency of prices and money wages to adjust to changes in the economy with a certain delay.