Proof

Noun

 * 1) Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
 * 2) * 1591, Edmund Spenser, Prosopopoia: or, Mother Hubbard's Tale, later also published in William Michael Rossetti, Humorous Poems,
 * But the false Fox most kindly played his part,
 * For whatsoever mother-wit or art
 * Could work he put in proof. No practice sly,
 * No counterpoint of cunning policy,
 * No reach, no breach, that might him profit bring.
 * But he the same did to his purpose wring.
 * 1) * c.1633, John Ford, Love's Sacrifice, Act 1, Scene 1,
 * France I more praise and love; you are, my lord,
 * Yourself for horsemanship much famed; and there
 * You shall have many proofs to shew your skill.
 * 1) * 1831, Thomas Thomson, A System of Chemistry of Inorganic Bodies, Volume 2,
 * A given quantity of the spirits was poured upon a quantity of gunpowder in a dish and set on fire. If at the end of the combustion, the gunpowder continued dry enough, it took fire and exploded; but if it had been wetted by the water in the spirits, the flame of the alcohol went out without setting the powder on fire. This was called the proof.
 * 1) The degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments which induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.
 * 2) * c.1603, William Shakespeare, The Tragedy of Othello, The Moor of Venice,
 * I'll have some proof.
 * 1) * 1841, Ralph Waldo Emerson, The Over-Soul in Essays: First Series,
 * It was a grand sentence of Emanuel Swedenborg, which would alone indicate the greatness of that man's perception, — "It is no proof of a man's understanding to be able to confirm whatever he pleases; but to be able to discern that what is true is true, and that what is false is false, this is the mark and character of intelligence."
 * 1) * 1990 October 16, Paul Simon, Proof in The Rhythm of the Saints, Warner Bros.,
 * Faith, faith is an island in the setting sun
 * But proof, yes
 * Proof is the bottom line for everyone
 * 1) The quality or state of having been proved or tried; firmness or hardness which resists impression, or doesn't yield to force; impenetrability of physical bodies.
 * 2) Firmness of mind; stability not to be shaken.
 * 3)  A proof sheet; a trial impression, as from type, taken for correction or examination.
 * 4)  A sequence of statements consisting of axioms, assumptions, statements already demonstrated in another proof, and statements that logically follow from previous statements in the sequence, and which concludes with a statement that is the object of the proof.
 * 5)  A process for testing the accuracy of an operation performed. Compare prove, transitive verb, 5.
 * : Armour of excellent or tried quality, and deemed impenetrable; properly, armour of proof.
 * 1) 🇺🇸 A measure of the alcohol content of liquor. Originally, in Britain, 100 proof was defined as 57.1% by volume (not used anymore). In the US, 100 proof means that the alcohol content is 50% of the total volume of the liquid, and thus, absolute alcohol would be 200 proof.

Synonyms

 * testimony
 * evidence
 * reason
 * argument
 * trial
 * demonstration

Derived terms

 * artist's proof
 * burden of proof
 * prooflike
 * proof reader
 * proof of concept

Related terms

 * prove
 * probe

Adjective

 * 1) Used in proving or testing; as, a proof load, or proof charge.
 * 2) Firm or successful in resisting; as, proof against harm; waterproof; bombproof.
 * I ... have found thee Proof against all temptation. -Milton.
 * This was a good, stout proof article of faith. -Burke.
 * 1) Being of a certain standard as to strength; -- said of alcoholic liquors.

Derived terms

 * bulletproof
 * mothproof
 * sale-proof
 * foolproof
 * childproof
 * waterproof
 * prooftext
 * shatter-proof

Verb

 * 1)  To proofread.
 * 2)  To make resistant, especially to water.
 * 3)  To knead, as in bread dough.

Adjectives for Proof
absolute; remarkable; experimental; confirming; ample; undeniable; refined; positive; indisputable; incontestable; irrefragable; actual; traditional; palpable; vulgar; abundant; similar; conclusive; distinct; documentary; lucid secondary; innate; strenuous; tangible   irresistible;  gratifying; strict; historical convincing; incompatable; forcible; presumptive; convenient; melancholy; corroborative; perpetual; decisive; indubitable; gallery; ocular; bedrock; added; definite; practical; sufficient; triumphant; divine; dingy; authentic; shadowy; exemplary; formal;  continuing;  quick; legal; hourly; insidious; cruel; doubtful; dramatic; concrete; phenomenal; childhood.

Verbs for Proof
advance—; cite—; demand—; demonstrate —; devise—; dig—; digest—; draw—; establish—; evince—; prepare—; question—: reflect upon—; seek—; strike at—; —checks; —leaks; — multiply; —settles; —substantiates ; —verifies.

Thesaurus
Christophany, Ditto copy, Photostat, Satanophany, Xerox, Xerox copy, absolute indication, account, acid test, acquaintance, affirmation, airtight, ammunition, angelophany, announcement, appearance, argument, assay, attestation, authentication, avatar, backing, backing up, ballproof, basis for belief, bearing out, blank determination, blue, blue book, blueprint, body of evidence, bolstering, bombproof, briefing, bring out, brouillon, bulletin, bulletproof, burden of proof, burglarproof, buttressing, certification, chain of evidence, circumstantiation, clue, cold-type proof, color proof, communication, communique, computer proof, conclusive evidence, confirmation, contact print, corroboration, corroboratory evidence, corrosionproof, criterion, crucial test, crucible, damning evidence, dampproof, data, datum, deduction, deductive reasoning, demonstration, determination, directory, disclosure, discourse, discourse of reason, discursive reason, dispatch, dissemination, docimasy, document, documentation, embodiment, engrave, enlargement, enlightenment, epiphany, essay, establishment, evidence, evincement, exhibit, expression, fact, facts, factual information, familiarization, feeling out, fire-resisting, fireproof, first draft, flameproof, foolproof, fortification, foundry proof, galley, galley proof, gen, general information, get out, ground, grounds, grounds for belief, guidebook, handout, hard information, hectograph, hectograph copy, hermetic, holeproof, impenetrable, impervious, impervious to, impregnable, impress, impression, imprint, incarnation, incidental information, incontrovertible evidence, indication, indisputable evidence, induction, inductive reasoning, info, information, instruction, insulate, intelligence, ironclad proof, issue, item of evidence, kiteflying, knowledge, leakproof, light, logical thought, manifestation, mark, material grounds, materialization, measure, mention, message, mimeograph, mimeograph copy, multigraph, muniments, mute witness, negative, noiseproof, notice, notification, offprint, onus, onus probandi, ordeal, overprint, page proof, philosophy, photocopy, photograph, photostatic copy, piece of evidence, plate proof, pneumatophany, positive, premises, presentation, press proof, print, probation, progressive proof, promotional material, proof against, proof before letter, proof sheet, protective, prove, proving, proving out, publication, publicity, publish, pull, pull a proof, punctureproof, put out, put to bed, put to press, ratification, ratiocination, rationalism, rationality, rationalization, rationalizing, reason, reason to believe, reasonableness, reasoning, reinforcement, reissue, release, relevant fact, report, reprint, repro proof, resistant, revelation, revise, rough draft, rough sketch, run, run off, rustproof, settlement, shatterproof, shellproof, sidelight, sign, slip, sophistry, sounding out, soundproof, specious reasoning, stamp, standard, stat, statement, stone proof, strengthening, strike, strong, substantiation, support, supporting evidence, sure sign, sweet reason, symptom, tempered, test, test case, testament, testimonial, testimony, the dope, the goods, the know, the scoop, theophany, tight, token, touchstone, tough, transmission, trial, trial impression, try, undergirding, unmistakable sign, validation, vandyke, verification, waterproof, watertight, weatherproof, wherefore, white book, white paper, why, whyfor, witness, word

Etymology
< proof: <  prove: <  proba: <  probare:; see prove.

Noun

 * Arabic:
 * Armenian:
 * Chinese: 证据 (zhèngjù)
 * Dutch:
 * Finnish: koe, koestus
 * French:
 * German:
 * Hungarian: ,
 * Italian:
 * Japanese: 証拠 (しょうこ, shōko)


 * Kazakh: дәлел
 * Korean: 증거 (jeunggeo)
 * Polish:
 * Portuguese:
 * Romanian: ,
 * Russian: доказательство (dokazátel’stvo)
 * Scottish Gaelic:
 * Spanish:
 * Swedish:


 * Armenian:
 * Esperanto:
 * Finnish: ,


 * Kurdish:
 * Scottish Gaelic:


 * Finnish: koevedos


 * Russian: корректура


 * Czech:


 * Finnish:


 * : проба, проверка
 * : prova


 * : prueba

Adjective

 * Finnish: koe-, testi-


 * Hebrew: ראיה


 * Finnish: -kestävä, -pitävä


 * Scottish Gaelic: