Definitions of proof

  1. make or take a proof of, such as a photographic negative, an etching, or typeset
  2. the act of validating; finding or testing the truth of something
  3. a trial photographic print from a negative
  4. ( printing) a trial impression made to check for errors
  5. ( logic or mathematics) a formal series of statements showing that if one thing is true something else necessarily follows from it
  6. a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present ( by volume)
  7. make resistant, as to water, sound, errors, etc.
  8. activate by mixing with water and sometimes sugar or milk; " proof yeast"
  9. ( used in combination or as a suffix) able to withstand; " temptation- proof"; " childproof locks"
  10. any factual evidence that helps to establish the truth of something; " if you have any proof for what you say, now is the time to produce it"
  11. ( printing) an impression made to check for errors
  12. a formal series of statements showing that if one thing is true something else necessarily follows from it
  13. make resistant to water, sound, errors, etc.; " proof the materials against shrinking in the dryer"
  14. read for errors; " I should proofread my manuscripts"
  15. knead to reach proper lightness; " proof dough"
  16. Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
  17. That degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments that induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.
  18. The quality or state of having been proved or tried; firmness or hardness that resists impression, or does not yield to force; impenetrability of physical bodies.
  19. Firmness of mind; stability not to be shaken.
  20. A trial impression, as from type, taken for correction or examination; -- called also proof sheet.
  21. A process for testing the accuracy of an operation performed. Cf. Prove, v. t., 5.
  22. Armor of excellent or tried quality, and deemed impenetrable; properly, armor of proof.
  23. Used in proving or testing; as, a proof load, or proof charge.
  24. Firm or successful in resisting; as, proof against harm; waterproof; bombproof.
  25. Being of a certain standard as to strength; -- said of alcoholic liquors.
  26. The means by which something is found to be true or correct; convincing evidence; a test or trial; in printing, an impression taken from type for correction; an early impression of an engraving.
  27. Capable of resisting; capable of moral or physical resistance: proof reader, one who is trained to find and correct errors in printers' proofs.
  28. That which proves: test: experiment: any process to discover or establish a truth: that which convinces: demonstration: evidence: condition of having been proved: firmness of mind: a certain strength of alcoholic spirits: ( print.) an impression taken for correction, also " proof- sheet": an early impression of an engraving.
  29. Proved: firm in resisting.
  30. Able to withstand.
  31. Test; evidence; demonstration; impression of types, & c., taken for correction.
  32. Employed in or connected with proving or correcting.
  33. Firm; impenetrable.
  34. Of standard alcoholic strength.
  35. The act of proving; convincing evidence.
  36. The standard strength of alcoholic liquors.
  37. A printed trial- sheet, as for correction.
  38. Strong to resist impression or penetration. See Prove.
  39. Trial or test; experiment; demonstration; that which convinces; hardness or firmness to resist; impenetrability; firmness of mind; the degree of strength in spirit; a rough impression taken for correction; an early impression of an engraving.
  40. Evidence; testimony; test; trial; any effort, process, or operation to ascertain truth; that which convinces the mind and produces belief; capacity of resistance, as fire- proof, water- proof; firmness or stability of mind; a standard strength of spirit, containing nearly equal weights of pure alcohol and water; an impression taken from a form of type, or from an engraved plate, for examination and correction.
  41. Able to resist something; impenetrable.

Quotes of proof

  1. It is characteristic of science that the full explanations are often seized in their essence by the percipient scientist long in advance of any possible proof – John Desmond Bernal
  2. Perhaps, as some wit remarked, the best proof that there is Intelligent Life in Outer Space is the fact it hasn't come here. Well, it can't hide forever- one day we will overhear it. – Arthur C. Clarke
  3. I'm proof against that word failure. I've seen behind it. The only failure a man ought to fear is failure of cleaving to the purpose he sees to be best. – George Eliot
  4. When I was fired from my post as General of the Fighter Arm, I was to give proof that this jet was a superior fighter. And that's when we did it. I think we did it. – Adolf Galland
  5. Consular cards are easily obtained with no proof of true identity and are easily forged. – Elton Gallegly
  6. With impressive proof on all sides of magnificent progress, no one can rightly deny the fundamental correctness of our economic system. – Herbert Hoover
  7. If you love it, and work really hard at it, it will really happen, I believe. I'm living proof – Kristen Johnston
  8. We must never assume that which is incapable of proof – George Henry Lewes
  9. That some achieve great success, is proof to all that others can achieve it as well. – Abraham Lincoln
  10. Such discoveries have led me, and other geologists, to reconsider the evidence previously derived from caves brought forward in proof of the high antiquity of Man. – Charles Lyell
  11. Europe is the unfinished negative of which America is the proof – Mary McCarthy
  12. Confidence in the goodness of another is good proof of one's own goodness. – Michel de Montaigne
  13. I thought I'd better check this third plate, which is another date, see if there's an image there in the right place that would be consistent with the images on the other plates. That was the final proof – Clyde Tombaugh
  14. I worked every day there, so I knew all the details. But I needed only some proof So the proof was photos. – Mordechai Vanunu
  15. The proof of a poet is that his country absorbs him as affectionately as he has absorbed it. – Walt Whitman

Usage examples for proof

  1. Where is his proof – The Secret Passage by Fergus Hume
  2. What proof had he of this? – A Tale of Two Cities A Story of the French Revolution by Charles Dickens
  3. Of this good proof was given. – The Memoirs of Louis XIV., Volume 9 And His Court and of The Regency by Duc de Saint-Simon
  4. Words, words; but what proof did he give you? – The Regent's Daughter by Alexandre Dumas (Pere)
  5. Is there any proof that they knew anything about it? – Our Unitarian Gospel by Minot Savage
  6. I asked Fortescue what proof he had of the marriage. – Children of the Market Place by Edgar Lee Masters
  7. But where is the proof of this? – On The Principles of Political Economy, and Taxation by David Ricardo
  8. R57000. Not any proof – U.S. Copyright Renewals, 1950 January - June by U.S. Copyright Office
  9. The proof of wisdom is peace. – Happiness and Marriage by Elizabeth (Jones) Towne
  10. Why should I need any proof – Corporal Cameron by Ralph Connor
  11. Do you want the proof – Nan of Music Mountain by Frank H. Spearman
  12. There was no other proof possible. – The Confessions of Arsène Lupin by Maurice Leblanc
  13. What proof have we that he is all you came for? – Rung Ho! by Talbot Mundy
  14. And we all to think we know, but somewise to be just a- lack when that it doth come to the proof – The Night Land by William Hope Hodgson
  15. I need proof of your brother's death. – The Crime of the French Café and Other Stories by Nicholas Carter
  16. Well, if that be the case, where is the proof of that marriage? – Mohun, or, The Last Days of Lee by John Esten Cooke
  17. The sailors replied that they had no proof I had done so, and they would rather not have me on board. – The White Chief of the Caffres by A.W. Drayson
  18. Of that the world has had sufficient proof – The Death of Wallenstein A Play by Frederich Schiller
  19. Lawler has given me proof that none of our stock is with them. – The Trail Horde by Charles Alden Seltzer
  20. The proof is that you ask me- as you have. – The Long Lane's Turning by Hallie Erminie Rives

Rhymes for proof