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adjectivenot responding to treatment
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adjectivestubbornly resistant to authority or control
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nounlining consisting of material with a high melting point; used to line the inside walls of a furnace
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adjectivetemporarily unresponsive or not fully responsive to a process or stimulus
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Examples of refractory
- "a refractory case of acne"
- "a refractory child"
- "the refractory period of a muscle fiber"