rigid

/ˈrɪdʒɪd/
adjective
  1. Stiff and not bending or changing shape easily.
    • She slept on a rigid mattress to help with her back pain.
    • The metal rod was so rigid that it wouldn't bend even under heavy pressure.
    • The cardboard box became rigid after being coated with glue.
  2. Strict and not willing to change rules, opinions, or behavior.
    • His rigid thinking made it hard for him to accept new ideas.
    • The teacher had rigid rules about no talking during exams.
    • The company's rigid dress code required all employees to wear suits.
  3. Not able to be changed or adapted; fixed.
    • The law is rigid and does not allow for exceptions.
    • The schedule was rigid, with no room for delays.
    • They followed a rigid diet plan for three months.
What does "rigid" mean? | whatsthatwordmean | whatsthatwordmean