|Origin:||rigidus, from rigere 'to be stiff'|
rigid methods, systems etc are very strict and difficult to change [≠ flexible]:
rigid and authoritarian methods of education
someone who behaves in a rigid way is very unwilling to change their ideas or behaviour [≠ flexible]:
rigid adherence to old-fashioned ideas
She maintained rigid control over her emotional and sexual life.
stiff and not moving or bending [≠ flexible]:
used to describe someone who cannot move, especially because they are very frightened, shocked, or angry
I heard a noise and woke up rigid with terror.
rigidly opposed to all new ideas
—rigidity noun [uncountable]WORD FOCUS: hard
hard and not bending: solid, firm, stiff, rigid
meat that is too hard: tough
skin that is old and hard: leathery, calloused
hard and easily broken: brittle
➔ See also hard