0 the quality of being stiff, fixed, or impossible to bend:
1 the quality of being impossible to change or persuade:
2 the quality or characteristic of not permitting any change:
We will make sure that federal law operates with high standards and common sense, not just bureaucratic rigidity (= not just lack of willingness to change by government officials ).
The case is a two-piece aluminum housing shaped for high rigidity.
Parkinson's disease causes uncontrollable tremors and muscular rigidity.
This rigidity prevents them from adjusting and reformulating their programmes.
In an administration known for its rigidity, she's been flexible.
Extremist doctrinal rigidity and aggressiveness were preferred to constructive attempts to confront real issues.
An inefficient tax system could thus have survived if political rigidities prevented a ruler from changing it.
Once one moves beyond these special cases, menu cost models that display real rigidity are also likely to display indeterminacy.
