Pronunciation: /rɪˈfræktəri/
adjective stubborn or unmanageable, resistant to treatment or control
A1 The refractory child refused to eat his vegetables.
A2 The refractory student kept talking in class despite being told to be quiet.
B1 The refractory employee was resistant to following company policies.
B2 The refractory teenager continued to break the rules despite multiple warnings.
C1 The refractory patient refused to take the prescribed medication.
C2 The refractory prisoner refused to cooperate with the authorities.
formal The patient's condition was refractory to the standard treatment options.
informal No matter what we tried, the stain on the carpet was refractory to all cleaning products.
slang I can't believe how refractory my computer is acting today, it won't even turn on!
figurative Her refractory attitude towards change made it difficult for the team to implement new ideas.
refracted
refractories
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have refracted
is refracting
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refracted