rigidity

plural rigidities

1. countableuncountableThe quality or state of being rigid; lack of pliability; the quality of resisting change of physical shape.

   moral rigidity

   3 more examples

   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.

   1958 September 28, “Swindon's First Main-Line Diesel Locomotive”, in Railway Magazine, page 601

2. countableuncountableThe amount of resistance with which a body opposes change of form.

   structural rigidity

3. countableuncountableStiffness of appearance or manner; want of ease or elegance.

   speak with excessive rigidity

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