refractory - definition, thesaurus and related words from WordNet-Online

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Adjective refractory has 4 senses

refractory - resistant to authority or control; "as refractory as a mule"
Antonym: cooperative (indirect, via uncooperative)
refractory, stubborn - not responding to treatment; "a stubborn infection"; "a refractory case of acne"
Antonyms: tractable, manipulable (indirect, via intractable)
recalcitrant, refractory - marked by stubborn resistance to and defiant of authority or guidance; "a recalcitrant teenager"; "everything revolves around a refractory individual genius"
Antonyms: tractable, manipulable (indirect, via intractable)
fractious, refractory - stubbornly resistant to authority or control; "a fractious animal that would not submit to the harness"; "a refractory child"
Antonym: obedient (indirect, via disobedient)

Noun refractory has 1 sense

furnace lining, refractory - lining consisting of material with a high melting point; used to line the inside walls of a furnace
--₁ is a kind of lining
--₁ has substances: fireclay; alumina, aluminum oxide, aluminium oxide