Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An essential element or condition: "The perfect cake is the sine qua non of the carefully planned modern wedding” ( J.M. Hilary).
Century Dictionary and Cyclopedia
- n. Something absolutely necessary or indispensable; an indispensable condition: as, he made the presence of a witness a sine qua non; used attributively, indispensable; necessary.
Wiktionary
- n. An essential or indispensable element, condition, or ingredient.
WordNet 3.0
- n. a prerequisite
Etymologies
- Latin sine qua non, “without which [cause] not” (Wiktionary)
- Late Latin sine quā (causā) nōn, without which (cause) not : Latin sine, without + Latin quā : ablative of quī, which, what, who + Latin nōn, not. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“Nevertheless, in consideration of the very grave difficulties which would result from opening up the whole case again, the majority of the commission held that they might and should abide practically by the testimony of the official documents and especially by that of the minister I, yonne regarding the reality of the "subscription pure and simple", at the same time emphasizing anew this point as the essential basis and the condition sine qua non of peace.”
“Significantly for Lebanon, the Quartet’s hardest issue to resolve was its own final statement a statement being the sine qua non of a successful meeting in UN-land and diplomacy generally on armed groups such as Hamas participating in the upcoming Palestinian elections.”
“Now Churchill learned that it was Bonar Law who was the arbiter of his fate and that his own removal from the Admiralty had been the sine qua non in discussions between Asquith and Bonar Law about the formation of a coalition government.”
“Great Britain to destroy our government (of which Henry's is but one sample), and with the Indians to tomahawk our women and children, prove that the cession of Canada, their fulcrum for these Machiavelian levers, must be a sine qua non at a treaty of peace.”
“This ten-and-a-half-millimeter-diameter lifeline is a sine qua non of my escape from Blue John Canyon.”
“Never to allow a patient to be waked, intentionally or accidentally, is a sine qua non of all good nursing.”
Lists
These user-created lists contain the word ‘sine qua non’.
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EU Buzz - ALL words and expressions
A combined list of
1. EU Buzz - single words
2. EU Buzz - collocations
3. EU Buzz - the 100 most active
collocation constituentsabsorption capacity, absorption rate, acceding country, accession candidate, accession countries, accession country, accession criteria, accession cycle, accession negotia..., accession partner..., accession priorities, accession treaty and 2650 more...
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Iaan
dirigisme, dystopia, cacotopia, ex ante, veritable, indefatigable, curmudgeon, desultory, antediluvian, transmogrify, pendent, elongate and 268 more...
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Panvocalic polyglot
Non-English words that contain all the vowels once, "y" optional. For English examples, see Panvocalics and other lists linked there. Please tag contributions with the language they come from. Phra...
murcielago, bildungsromane, aleikoum, autrefois, consideratum, platenstudio, affettuosi, hipocentaury, vocalique, aegritudo, au revoir, au poivre and 1590 more...
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The Latin Doctor is Greek to me
Biology Students, Gladiators, Devil Dogs & Harry Potter
et tu, semper fidelis, carpe diem, cui bono, pons asinorum, limbus, e pluribus unum, sine qua non, quidnunc, lacus oblivionis, quincunx, experimentum crucis and 128 more...
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EU Buzz - collocations
Multiword expressions frequently used in EU context. Many of them have a specific EU-meaning, some of them are topical in 2012 also outside the EU but have a relevance in EU politics. People workin...
absorption capacity, absorption rate, acceding country, accession candidate, accession countries, accession country, accession criteria, accession cycle, accession negotia..., accession partner..., accession priorities, accession treaty and 1567 more...
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cicatrix
scar tissue
minatory, naira, Cluniac, embracive, prolix, hierophant, timorous, adduce, veracious, dysphoric, sang-froid, vitiate and 503 more...
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Latin
tempus fugit, ad absurdum, ad hominem, ad infinitum, ad nauseam, deus ex machina, in absentia, in loco parentis, in vino veritas, ipso facto, mea culpa, memento mori and 35 more...
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Last Words
Endings, results, and pinnacles. The ideal here is to somehow imply the paradoxical concept of "after-endings".
consequence, aftermath, finality, outcome, postmundane, endgame, redound, cloture, bourne, meridian, memento mori, psychopomp and 72 more...
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Bright Folk
Some words I come across in my legal studies, though not really legal jargon. And the usage doesn't shout, "hey, I think I'm smart", just simply, "this is what applies in this context."
verbose, inter alia, ostentatious, usurp, presumptuous, anachronistic, unfettered, sine qua non, amenable, subversive, irreducible, penumbra and 28 more...
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Pop Latin
Commonly used Latin expressions
viva voce, vide supre, vide, supra, stet, status quo, sine qua non, sine die, sic, quid pro quo, pro rata, pro bono and 24 more...
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Foreign Words & Phrases for English
This is for words that would be in italics in a work of great literature
galère, fiat justitia rua..., res ipsa loqitur, prima facie, froideur, je ne sais quoi, aperçu, ca va sans dire, mirabile dictu, in utero, sine qua non, faux naïf and 6 more...
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Real words that I love
Words that make me happy in my pants AND have a place in the dictionary.
enervate, efficacious, basilisk, minotaur, elfin, elephantine, schadenfreude, enigma, emasculate, acidic, appalling, ridiculous and 102 more...
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Words I Should Use More Often
Words that I'll use to sound erudite.
fungible, aggrandizement, tete-a-tete, sententious, serendipitous, fortuitous, lugubrious, declivity, propitiatory, volubility, august, tenebrous and 214 more...
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Learned
ambergris, andiron, aphelion, austral, bellicose, boreal, bravura, chaff, chicanery, creditable, credulous, decamp and 223 more...
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Latinate
lorem ipsum, citius, altius, fortius, curriculum vitae, bona fide, terra nullius, habeas corpus, quidnunc, voir dire, emeritus, quincunx and 99 more...
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The Sog Collection
My big word list.
chaos, flaccid, empirical, flotsam, cacophony, grumble, assuage, awe, romance, mortality, coalesce, fortuitous and 3282 more...
Tweets
Looking for tweets for sine qua non.

thevirils Latin legal term for "(a condition) without which it could not be" or "but for..." or "without which (there is) nothing." It refers to an indispensable and essential action, condition, or ingredient. Oct 4, 2008