rigidity
🇺🇸
/rɪˈdʒɪdəti/
🇬🇧
/rɪˈdʒɪdəti/
being very strict and hard to change
The rigidity of the rules made it hard to adapt to new situations.
refusing to change ideas or behavior
His rigidity in thinking prevented him from considering other options.
being stiff and hard to bend
The rigidity of the material made it strong but not flexible.