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KEY: Refractory.
SYN: Perverse, contumacious, stubborn, unruly, obstinate, unmanageable, mutinous, rebellious, recalcitrant.
ANT: Obedient, docile, amenable, manageable.
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KEY: Refragable.
SYN: Refutable, weak, questionable, deniable, fallacious.
ANT: Irrefragable, sound, indisputable, unquestionable, undeniable.
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KEY: Refrain.