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. knead to reach proper lightness; " proof dough"
  15. Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
  16. 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.
  17. 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.
  18. Firmness of mind; stability not to be shaken.
  19. A trial impression, as from type, taken for correction or examination; -- called also proof sheet.
  20. A process for testing the accuracy of an operation performed. Cf. Prove, v. t., 5.
  21. Armor of excellent or tried quality, and deemed impenetrable; properly, armor of proof.
  22. Used in proving or testing; as, a proof load, or proof charge.
  23. Firm or successful in resisting; as, proof against harm; waterproof; bombproof.
  24. Being of a certain standard as to strength; -- said of alcoholic liquors.
  25. 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.
  26. 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.
  27. Able to withstand.
  28. Test; evidence; demonstration; impression of types, & c., taken for correction.
  29. Employed in or connected with proving or correcting.
  30. Firm; impenetrable.
  31. Of standard alcoholic strength.
  32. The act of proving; convincing evidence.
  33. The standard strength of alcoholic liquors.
  34. A printed trial- sheet, as for correction.
  35. Strong to resist impression or penetration. See Prove.
  36. 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.
  37. 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.
  38. Able to resist something; impenetrable.

Usage examples for proof

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