Synonym: cogent evidence, proof, proofread, substantiation, test copy, trial impression, validation. Similar words: roof, uproot, go off, aloofness, room, droop, brook, troop. Meaning: [pruːf] 
n. 1. any factual evidence that helps to establish the truth of something 2. a formal series of statements showing that if one thing is true something else necessarily follows from it 3. a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume) 4. (printing) an impression made to check for errors 5. a trial photographic print from a negative 6. the act of validating; finding or testing the truth of something. v. 1. make or take a proof of, such as a photographic negative, an etching, or typeset 2. knead to reach proper lightness 3. read for errors 4. activate by mixing with water and sometimes sugar or milk 5. make resistant (to harm). adj. (used in combination or as a suffix) able to withstand.
n. 1. any factual evidence that helps to establish the truth of something 2. a formal series of statements showing that if one thing is true something else necessarily follows from it 3. a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume) 4. (printing) an impression made to check for errors 5. a trial photographic print from a negative 6. the act of validating; finding or testing the truth of something. v. 1. make or take a proof of, such as a photographic negative, an etching, or typeset 2. knead to reach proper lightness 3. read for errors 4. activate by mixing with water and sometimes sugar or milk 5. make resistant (to harm). adj. (used in combination or as a suffix) able to withstand. 
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91 A person's courage is put to the proof in any kind of dangerous or urgent situation.
92 There is no proof of his story; we can only take it on trust.
93 They took to the water intent on netting the ￡250,000 reward offered for conclusive proof of the monster's existence.
94 Civil proceedings require a lower standard of proof than criminal cases.
95 I don't want to make an accusation until I have some proof.
95 Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.
96 There's no proof about the provenance of the painting .
97 Her fingerprints on the gun were conclusive proof of her guilt.
98 He set the fur flying by demanding to see proof.
99 He's living proof that footballers can still play at the highest level into their late thirties.
100 The radioactive material is stored in a special radiation - proof container.
101 The police allege that the man was murdered but they have given no proof.
102 The burden of proof falls on the prosecution: the accused is presumed innocent until proved guilty.
103 Who knows but that what he says is true? We have no proof that he is lying.
104 She believes him and has no need of further proof.
105 There was a vast distance between psychological clues and concrete proof.
106 The buyer has to sign a delivery note as proof of receipt.
107 It was downright panic—the frozen expressions on the faces of the actors was proof enough of that.
108 That box looks big enough; but let us put it to the proof.
109 The new machine is supposed to be the solution to all our production problems, but the proof of the pudding is in the eating.
110 The lungfish is living proof that fish could evolve to breathe on land.
111 The case was dismissed in the absence of any definite proof.
112 Failure to produce proof of identity could result in prosecution.
113 He is living proof of the wonders of modern medicine.
114 The early Church believed miracles were proof of who Jesus was.
115 Do you have any proof of ownership of/for this car?
116 It is part of your duty to proof twenty pages.
117 Only original documents will be accepted as proof of status.
118 The new album is proof that this band is not a spent force just yet.
119 We received 800 applications last year, proof positive that the college is highly regarded by parents and students.
120 Proof of purchase must be provided before a refund can be made.