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English definition of “rigid”

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rigid

adjective uk   /ˈrɪdʒ.ɪd/ us  
C2 stiff or fixed; not able to be bent or moved: a rigid steel and concrete structure I was rigid with (= stiff and unable to move because of) fear. not able to be changed or persuaded: disapproving We were disappointed that they insisted on such a rigid interpretation of the rules.
rigidity
noun [U] uk   /rɪˈdʒɪd.ɪ.ti/ us    /-ə.t̬i/
rigidly
adverb uk   /-li/ mainly disapproving us  
(Definition of rigid from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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