/ ˈrɪdʒɪd; NAmE / adjective
1.
(often disapproving ) ( of rules, methods, etc. ) very strict and difficult to change
SYN inflexible :
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
SYN inflexible :
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) .
► ri·gid·ity / rɪˈdʒɪdəti; NAmE / noun [ U , C ]:
the rigidity of the law on this issue
the rigidity of the metal bar
► ri·gid·ly adverb :
The speed limit must be rigidly enforced.
She stared rigidly ahead.
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WORD ORIGIN
late Middle English : from Latin rigidus , from rigere be stiff.