Definitions for proof

• Definition
• Anagrams (35)

proof proof

Spelling: [proof]

IPA: /pruf/

Proof is a 5 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 11 points.

You can make 35 anagrams from letters in proof (foopr).

Definitions for proof

noun

1. evidence sufficient to establish a thing as true, or to produce belief in its truth.
2. anything serving as such evidence:
3. the act of testing or making trial of anything; test; trial:
4. the establishment of the truth of anything; demonstration.
5. Law. (in judicial proceedings) evidence having probative weight.
6. the effect of evidence in convincing the mind.
7. an arithmetical operation serving to check the correctness of a calculation.
8. Mathematics, Logic. a sequence of steps, statements, or demonstrations that leads to a valid conclusion.
9. a test to determine the quality, durability, etc., of materials used in manufacture.
10. Distilling. the arbitrary standard strength, as of an alcoholic liquor. strength with reference to this standard: “100 proof” signifies a proof spirit, usually 50% alcohol.
11. Photography. a trial print from a negative.
12. Printing. a trial impression, as of composed type, taken to correct errors and make alterations. one of a number of early and superior impressions taken before the printing of the ordinary issue:
13. (in printmaking) an impression taken from a plate or the like to show the quality or condition of work during the process of execution; a print pulled for examination while working on a plate, block, stone, etc.
14. Numismatics. one of a limited number of coins of a new issue struck from polished dies on a blank having a polished or matte surface.
15. the state of having been tested and approved.
16. proved strength, as of armor.
17. Scots Law. the trial of a case by a judge alone, without a jury.

adjective

1. able to withstand; successful in not being overcome:
2. impenetrable, impervious, or invulnerable:
3. used for testing or proving; serving as proof.
4. of standard strength, as an alcoholic liquor.
5. of tested or proven strength or quality:
6. noting pieces of pure gold and silver that the U.S. assay and mint offices use as standards.

verb (used with object)

1. to test; examine for flaws, errors, etc.; check against a standard or standards.
2. Printing. prove (def 7).
3. to proofread.
4. to treat or coat for the purpose of rendering resistant to deterioration, damage, etc. (often used in combination):
5. Cookery. to test the effectiveness of (yeast), as by combining with warm water so that a bubbling action occurs. to cause (especially bread dough) to rise due to the addition of baker's yeast or other leavening.

Origin of proof

1175-1225; Middle English prove, prooff, prof, proufe, alteration (by association with the vowel of prove) of preove, proeve, prieve, pref Middle French preve, proev

Examples for proof

He took out the lungs and liver and brought them to the queen as proof that the child was dead.

But Posthumus will not await the proof for which he has asked.

It is a proof of human weakness, and not of the truth of their art.

Then stab her to death and bring me back her lungs and liver as proof of your deed.

They're also proof that no matter how fancy you are, you can't escape the urge to watch two girls make out.

That he killed a mutineer is proof of his resolute adherence to discipline.

Italian authorities say they have proof they are fighting the mobs.

These goods which you sell are not to be seen, nor is there any proof that you hold them.

He then struck an optimistic note, saying his own life is proof that we have made great progress in matters of race.

But you think otherwise, I will not put you upon labouring the proof, as you call it.