This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The quality or state of being rigid.

n. An instance of being rigid.

n. 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.

n. Stiffness of appearance or manner; want of ease or elegance.

n. In Economics: synonym for stickiness (of prices/wages etc.). Describing the tendency of prices and money wages to adjust to changes in the economy with a certain delay.

n. 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.

n. Stiffness of appearance or manner; want of ease or elegance.

n. Severity; rigor.

n. The quality of being rigid; stiffness; inflexibility; absence of pliancy; specifically, in mech., resistance to change of form.

n. Strictness; severity; harshness: as, rigidity of principles or of censure.

n. Synonyms Inflexibility. See austere, rigor.

n. the physical property of being stiff and resisting bending

n. the quality of being rigid and rigorously severe

"Unions leaders denounced what they described as rigidity from their negotiating counterparts; government and management urged the unions to take into consideration the gravity of the situation of a company that had been losing some 2 million euros ($3 million) a day."

ductility    malleability    softness    flexibility   

unadaptability   

molecular rigidity    modulus of rigidity    coefficient of rigidity    cadaveric rigidity   

inflexibility    stiffness    rigidness    severity    rigor   

acidity    fluidity    humidity    liquidity    morbidity   

stiffness    hardness    solidity    coldness    firmness