1.
Laws, rules, or systems that are rigid cannot be changed or varied, and are therefore considered to be rather severe.
Several colleges in our study have rigid rules about student conduct...
? flexible
ADJ [disapproval]
• rigidity
...the rigidity of government policy.
N-UNCOUNT
• rigidly
The caste system was rigidly enforced.
ADV: ADV with v
2.
If you disapprove of someone because you think they are not willing to change their way of thinking or behaving, you can describe them as rigid.
She was a fairly rigid person who had strong religious views...
ADJ [disapproval]
3.
A rigid substance or object is stiff and does not bend, stretch, or twist easily.
...rigid plastic containers...
? flexible
ADJ
• rigidity
...the strength and rigidity of glass.
N-UNCOUNT