1 (often disapproving) (of rules, methods, etc.) very strict and difficult to change:
The curriculum was too narrow and too rigid. * His rigid adherence to the rules made him unpopular.
2 (of a person) not willing to change their ideas or behaviour:
rigid attitudes
3 (of an object or substance) stiff and difficult to move or bend:
a rigid support for the tent * She sat upright, her body rigid with fear. * (figurative) I was bored rigid (= extremely bored).
rigidity noun [U,C]:
the rigidity of the law on this issue * the rigidity of the metal bar
rigidly adverb:
The speed limit must be rigidly enforced. * She stared rigidly ahead.
