- proof
- n., adj., & v.

—n.

1 facts, evidence, argument, etc. establishing or helping to establish a fact (proof of their honesty; no proof that he was there).

2 Law the spoken or written evidence in a trial.

3 a demonstration or act of proving (not capable of proof; in proof of my assertion).

4 a test or trial (put them to the proof; the proof of the pudding is in the eating).

5 the standard of strength of distilled alcoholic liquors.

6 Printing a trial impression taken from type or film, used for making corrections before final printing.

7 the stages in the resolution of a mathematical or philosophical problem.

8 each of a limited number of impressions from an engraved plate before the ordinary issue is printed and usu. (in full proof before letters) before an inscription or signature is added.

9 a photographic print made for selection etc.

10 Sc. Law a trial before a judge instead of by a jury.

—adj.

1 impervious to penetration, ill effects, etc. (proof against the severest weather; his soul is proof against corruption).

2 (in comb.) able to withstand damage or destruction by a specified agent (soundproof; childproof).

3 being of proof alcoholic strength.

4 (of armour) of tried strength.

—v.tr.

1 make (something) proof, esp. make (fabric) waterproof.

2 make a proof of (a printed work, engraving, etc.).

*Phrases and idioms*:

above proof (of alcohol) having a stronger than standard strength. proof-plane a small flat conductor on an insulating handle for measuring the electrification of a body. proof positive absolutely certain proof. proof-sheet a sheet of printer's proof. proof spirit a mixture of alcohol and water having proof strength.

*Derivatives*:

proofless adj.

*Etymology*: ME prof prove, earlier pref etc. f. OF proeve, prueve f. LL proba f. L probare (see PROVE; adj. and sometimes v. formed app. by ellipsis f. phr. of proof = proved to be impenetrable

*Useful english dictionary.
2012.*

**Synonyms**:

### Look at other dictionaries:

**proof**— n [alteration of Middle English preove, from Old French preuve, from Late Latin proba, from Latin probare to prove] 1: the effect of evidence sufficient to persuade a reasonable person that a particular fact exists see also evidence 2: the… … Law dictionary**Proof**— • The establishment of a disputed or controverted matter by lawful means or arguments. Catholic Encyclopedia. Kevin Knight. 2006. Proof Proof … Catholic encyclopedia**Proof**— Proof, a. [1913 Webster] 1. Used in proving or testing; as, a proof load, or proof charge. [1913 Webster] 2. Firm or successful in resisting; as, proof against harm; waterproof; bombproof. [1913 Webster] I . . . have found thee Proof against all… … The Collaborative International Dictionary of English**Proof**— may refer to: * A rigorous, compelling argument ** Formal proof ** Mathematical proof ** Proof theory, a branch of mathematical logic that represents proofs as formal mathematical objects ** Logical argument ** Evidence (law), tested evidence or… … Wikipedia**proof´er**— proof «proof», noun, adjective, verb. –n. 1. a way or means of showing beyond doubt the truth of something: »Is what you say a guess, or have you proof? SYNONYM(S): See syn. under evidence. (Cf. ↑evidence) 2. the establishment of the truth of… … Useful english dictionary**Proof**— Proof, n. [OF. prove, proeve, F. preuve, fr. L. proba, fr. probare to prove. See {Prove}.] [1913 Webster] 1. Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial. [1913 Webster]… … The Collaborative International Dictionary of English**Proof**— в 2005 году Основная информация … Википедия**proof**— [pro͞of] n. [ME profe < OFr prueve < LL proba < L probare: see PROBE] 1. the act or process of proving; a testing or trying of something 2. anything serving or tending to establish the truth of something, or to convince one of its truth; … English World dictionary**proof**— ► NOUN 1) evidence establishing a fact or the truth of a statement. 2) the proving of the truth of a statement. 3) a series of stages in the resolution of a mathematical or philosophical problem. 3) archaic a test or trial. 4) Printing a trial… … English terms dictionary**Proof**— ist ein US amerikanischer Rapper (1973 2006), siehe Proof (Rapper) in der Drucktechnik die Bezeichnung für eine Vorschau auf das spätere Druckergebnis, siehe Proof (Druck) der Original Titel eines Films von John Madden aus dem Jahr 2005, siehe… … Deutsch Wikipedia**proof**— [n1] evidence, authentication affidavit, argument, attestation, averment, case, certification, chapter and verse*, clincher*, clue, confirmation, corroboration, credentials, criterion, cue*, data, demonstration, deposition, documents,… … New thesaurus