Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Obstinately resistant to authority or control. See Synonyms at unruly.
- adj. Difficult to melt or work; resistant to heat: a refractory material such as silica.
- adj. Resistant to treatment: a refractory case of acne.
- n. One that is refractory.
- n. Material that has a high melting point.
Century Dictionary and Cyclopedia
- Resisting; unyielding; sullen or perverse in opposition or disobedience; obstinate in non-compliance; stubborn and unmanageable.
- Resisting ordinary treatment or strains, etc.; difficult of fusion, reduction, or the like: said especially of metals and the like that require an extraordinary degree of heat to fuse them, or that do not yield readily to the hammer. In metallurgy an ore is said to be refractory when it is with difficulty treated by metallurgical processes, or when it is not easily reduced. Stone, brick, etc., are refractory when they resist the action of fire without melting, cracking, or crumbling. Refractory materials are such as can be used for the lining of furnaces and crucibles, and for similar purposes.
- Not susceptible; not subject; resisting (some influence, as of disease).
- Synonyms Stubborn, Intractable, etc. (see obstinate), unruly, ungovernable, unmanageable, headstrong, mulish.
- n. One who is obstinate in opposition or disobedience.
- n. Obstinate opposition.
- n. In pottery, a piece of ware covered with a vaporable flux and placed in a kiln to communicate a glaze to other articles.
Wiktionary
- adj. Obstinate and unruly; strongly opposed to something.
- adj. Not affected by great heat.
- adj. medicine Difficult to treat.
- adj. biology Incapable of registering a reaction or stimulus.
- n. A material or piece of material, such as a brick, that has a very high melting point.
GNU Webster's 1913
- adj. Obstinate in disobedience; contumacious; stubborn; unmanageable.
- adj. Resisting ordinary treatment; difficult of fusion, reduction, or the like; -- said especially of metals and the like, which do not readily yield to heat, or to the hammer.
- n. A refractory person.
- n. obsolete Refractoriness.
- n. O
Pottery ) A piece of ware covered with a vaporable flux and placed in a kiln, to communicate a glaze to the other articles.
WordNet 3.0
- adj. temporarily unresponsive or not fully responsive to nervous or sexual stimuli
- adj. not responding to treatment
- n. lining consisting of material with a high melting point; used to line the inside walls of a furnace
- adj. stubbornly resistant to authority or control
Etymologies
- From Latin refractārius ("obstinate"), from refractus, past participle of refringere ("to break up"). Originally refractary reanalysed after other adjectives in -ory (Wiktionary)
- Alteration (influenced by adjectives in -ory) of obsolete refractary, from Latin refrāctārius, from refrāctus, past participle of refringere, to break up; see refract. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“For the purpose of this book the term refractory will cover clays and materials that are suitable to be used in a potter's kiln fired up to”
“Lou Dobbs, that paragon of choice xenophobic political battles to pick and win, hopped on this “American Otherness” bandwagon like it was the last copter out of Saigon and is riding it for all it's stupidly worth — which is pretty much just huzzahs and dittoes from the scrape-knuckled fucktards who flock to him post-their mid-afternoon Limbaugh-lovin 'refractory period.”
“Within a month, De Courcy heard that the castles were pulled down, and, on his calling his refractory vassal to account, received a truly Irish answer: MacMahon said he had not promised to hold stones, but land, and it was contrary to his nature to couch within cold stones, when the warm woods were so nigh.”
“Any hard, woody materials -- Howard called them "refractory" -- must be thoroughly broken up before composting, otherwise the fermentation would not be vigorous, rapid, and uniform throughout the process.”
“ROME -- Long-term gout patients should not be considered "refractory" -- and clinicians should not treat them as such -- until uric crystals are dissolved to the point that flares of pain are prevented, a researcher said here.”
“Natural graphite is used mostly in what are called refractory applications.”
“By industrial standards a clay is called refractory when it does not soften below 1580 °C.”
“Ameni enquired of them as to the preparations for the festival of the morrow, and then desired the chief haruspex to call the refractory pupils together in the school-court.”
“It is true, however, that the judgment of the tribunals generally recalls the refractory client to a sense of gratitude and humility.”
“But, your reverence," cried Robinson, "don't let me be called a refractory prisoner when you know I am not.”
Lists
These user-created lists contain the word ‘refractory’.
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GRE 2014
abase, abate, abdicate, aberrant, abeyance, abhor, abjure, abortive, abound, abrasive, abreast, abridge and 1577 more...
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SCIE - EU nomenclature
All the scientific words found in the official EU nomenclature. For the screening I used Vocabgrabber of the Visual Thesaurus.
silicon, silica, shrimp, shelve, shallot, serine, seedling, septic, secretin, seaweed, screening, Scomber and 1171 more...
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GRE Barrons Wordlist
A complete Barron's Wordlist for GRE preparation. Your online flashcard replacement.
abase, abash, abate, abbreviate, abdicate, aberrant, aberration, abet, abeyance, abhor, abject, abjure and 4087 more...
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GRE Barron's 800
abate, abdicate, aberrant, abeyance, abject, abjure, abscission, abscond, abstemious, abstinence, abysmal, accretion and 787 more...
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11184 more...
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IMCO - EU nomenclature
includes words of the "Prodcom list"
veal, valve, used, yak, wax, wan, teak, vat, vas, strip, use, strap and 4515 more...
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SAT Words
But only the ones that I don't already know.
abase, abash, abominate, abstruse, acclivity, accolade, accost, adroit, adulate, adulterate, adumbrate, affray and 241 more...
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Poe
dark descriptors
sepulchral, unutterable, decrepitude, abjection, abasement, lugubrious, moribund, recrudescence, prevaricator, doppelgänger, ululation, crepuscular and 11 more...
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phrontistery-r
from phrontistery.info
rya, rutilant, ruthful, rutherford, ruth, rusticity, rusticate, Russophobia, Russophile, russet, russel, rushlight and 514 more...
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Ballardian
All things descriptive from JG
Ballardoperation mindfuck, pataphysics, wahrheitssensible..., polymorphism, postprandial, covalent, stygian, lucus a non lucendo, kafkaesque, leitmotif, fugacious, ablate and 77 more...
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unyielding
refractory, unmanageable, ungovernable, obstinate, contumacious, stubborn, unyielding, unruly, perverse, refractoriness, inanimates, contrary and 12 more...
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Emotion
descriptors of various feelings
eudemony, abasement, lugubrious, propitiatory, refractory, paracosm
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man gre
abase, abeyance, abreast, abscission, abscond, abyss, accede, accretion, acerbic, acidulous, acumen, adulterate and 483 more...
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ADD
fragmented disconnects
desultory, discursive, malapropism, circumlocutious, refractory
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Adjectives
impressive growth, significant, outstanding, an AILING person ..., sick, a HUMBLE person -..., DISARMING critics..., VAIN - напрасный,..., unavailing, IGNOMINOUS - пост..., shameful, ignoble and 34 more...
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big book gre
abase, abbess, abbey, abbot, abdicate, abdomen, abdominal, abduction, abed, aberration, abet, abeyance and 6691 more...
Tweets
Looking for tweets for refractory.

kingparton Prose is by nature unstable and self-interfering; it is refractory and uncontainable. Prose does not so much flow as overflow.
Viktor Shklovsky, Theory of Prose Dec 14, 2011
chained_bear Is there such a thing as an unsuccessful orgasm? Hmm... Oct 5, 2007
orbitalcombustion Making reference to the refractory period - when the body is unable to orgasm due to the short recover period necessary after a successful orgasm. Oct 5, 2007