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We found 76 dictionaries with English definitions that include the word proof:
Click on the first link on a line below to go directly to a page where "proof" is defined.
General (34 matching dictionaries)
 proof: MerriamWebster.com [home, info]
 proof: Oxford Dictionaries [home, info]
 proof: American Heritage Dictionary of the English Language [home, info]
 proof, proof: Collins English Dictionary [home, info]
 proof: Vocabulary.com [home, info]
 proof, proof, proof, proof: Macmillan Dictionary [home, info]
 Proof, proof: Wordnik [home, info]
 proof, proof: Cambridge Advanced Learner's Dictionary [home, info]
 Proof, proof, proof: Wiktionary [home, info]
 proof, proof: Webster's New World College Dictionary, 4th Ed. [home, info]
 proof, proof: The Wordsmyth English DictionaryThesaurus [home, info]
 proof: Infoplease Dictionary [home, info]
 proof, proof: Dictionary.com [home, info]
 proof: Online Etymology Dictionary [home, info]
 proof: UltraLingua English Dictionary [home, info]
 proof: Cambridge Dictionary of American English [home, info]
 proof: Cambridge International Dictionary of Idioms [home, info]
 Proof (Devious Maids), Proof (Paul Simon song), Proof (TV series), Proof (alcohol), Proof (comics), Proof (film), Proof (firearms), Proof (movie), Proof (play), Proof (rapper), Proof (truth), Proof: Wikipedia, the Free Encyclopedia [home, info]
 Proof: Online Plain Text English Dictionary [home, info]
 proof: Webster's Revised Unabridged, 1913 Edition [home, info]
 proof: Rhymezone [home, info]
 proof: AllWords.com MultiLingual Dictionary [home, info]
 proof: Webster's 1828 Dictionary [home, info]
 Proof: Dictionary of Phrase and Fable (1898) [home, info]
 Proof: 1911 edition of the Encyclopedia Britannica [home, info]
 proof: Free Dictionary [home, info]
 proof: Mnemonic Dictionary [home, info]
 proof: WordNet 1.7 Vocabulary Helper [home, info]
 proof: LookWAYup Translating Dictionary/Thesaurus [home, info]
 Proof (alcohol): The Word Detective [home, info]
 proof: Dictionary/thesaurus [home, info]
 proof: Wikimedia Commons US English Pronunciations [home, info]
Art (8 matching dictionaries)
 proof: ArtLex Lexicon of Visual Art Terminology [home, info]
 proof: Dictionary of Philosophical Terms and Names [home, info]
 Proof: EnglishChinese Dictionary of Graphic Communications (Big 5) [home, info]
 proof: Coin Collecting Glossary [home, info]
 Proof: Epicurus.com Spirits Glossary [home, info]
 PROOF: Shakespeare Glossary [home, info]
 Proof: Glossary of Stamp Collecting Terms [home, info]
 proof: ODLIS: Online Dictionary of Library and Information Science [home, info]
Business (11 matching dictionaries)
 Proof: MoneyGlossary.com [home, info]
 proof: Webster's New World Law Dictionary [home, info]
 proof: Law.com Dictionary [home, info]
 proof: Everybody's Legal Dictionary [home, info]
 proof: INVESTORWORDS [home, info]
 Proof: THE 'LECTRIC LAW LIBRARY'S REFERENCE ROOM [home, info]
 proof: Glossary of Legal Terms [home, info]
 proof: Glossary of research economics [home, info]
 PROOF: Bouvier's Law Dictionary 1856 Edition [home, info]
 Proof (disambiguation), proof: Legal dictionary [home, info]
 proof: BusinessDictionary.com [home, info]
Computing (2 matching dictionaries)
 proof: Free Online Dictionary of Computing [home, info]
 Proof (alcohol), Proof (disambiguation), Proof (logic), Proof (rapper), proof: Encyclopedia [home, info]
Medicine (2 matching dictionaries)
 proof: online medical dictionary [home, info]
 Proof (disambiguation), proof: Medical dictionary [home, info]
Miscellaneous (4 matching dictionaries)
 PROOF: Acronym Finder [home, info]
 PROOF: AbbreviationZ [home, info]
 Proof: SPIRITS Terminology [home, info]
 proof: Idioms [home, info]
Religion (1 matching dictionary)
 Proof: Catholic Encyclopedia [home, info]
Science (8 matching dictionaries)
 Proof: Misunderstood Physics Terms [home, info]
 Proof: A Glossary of Mathematical Terms [home, info]
 Proof: Eric Weisstein's World of Mathematics [home, info]
 Proof: The Computational Beauty of Nature [home, info]
 proof: PlanetMath Encyclopedia [home, info]
 Proof: Physic and Astronomy Glossary [home, info]
 proof (prf): How Many? A Dictionary of Units of Measurement [home, info]
 proof: FOLDOP  Free On Line Dictionary Of Philosophy [home, info]
Tech (6 matching dictionaries)
 proof: Book Binding [home, info]
 Proof: Culinary Cafe [home, info]
 Proof: Glossary of Whisky terms [home, info]
 Proof: Happy Hour Spirit & Liqueur Dictionary [home, info]
 Proof: Coin Collecting [home, info]
 proof: Rane Professional Audio Reference [home, info]
(Note: See
proofs for more definitions.)

Quick definitions from Macmillan ()


Provided by
Quick definitions from WordNet (proof)
▸ noun: a trial photographic print from a negative
▸ noun: 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")
▸ noun: (printing) an impression made to check for errors
▸ noun: a formal series of statements showing that if one thing is true something else necessarily follows from it
▸ noun: a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume)
▸ noun: the act of validating; finding or testing the truth of something
▸ verb: activate by mixing with water and sometimes sugar or milk ( "Proof yeast")
▸ verb: knead to reach proper lightness ( "Proof dough")
▸ verb: make resistant to water, sound, errors, etc. ( "Proof the materials against shrinking in the dryer")
▸ verb: make or take a proof of, such as a photographic negative, an etching, or typeset
▸ verb: read for errors ( "I should proofread my manuscripts")
▸ Also see proofs
▸ Word origin
▸ Words similar to proof
▸ Usage examples for proof
▸ Popular adjectives describing proof
▸ Words that often appear near proof
▸ Rhymes of proof
▸ Invented words related to proof

