proof
proof
(pruːf )Word forms: plural proofs
1. variable noun [NOUN that]
Proof is a fact, argument, or piece of evidence which shows that something is definitely true or definitely exists.
You have to have proof of residence in the state of Texas, such as a Texas ID card. [+ of]
This is not necessarily proof that he is wrong.
Economists have been concerned with establishing proofs for their arguments.
evidence, demonstration, testimony, confirmation, verification, certification, corroboration, authentication, substantiation, attestation2. countable noun [usually plural]
In publishing, the proofs of a book, magazine, or article are a first copy of it that is printed so that mistakes can be corrected before more copies are printed and published.
I'm correcting the proofs of the Spanish edition right now. [+ of]
trial print, pull, slip, galley, page proof, galley proof, trial impressionProof is also an adjective.
...an uncorrected proof copy of the book.
3. adjective
Proof is used after a number of degrees or a percentage, when indicating the strength of a strong alcoholic drink such as whisky.
...a glass of Wild Turkey bourbon: 101 degrees proof.
4. adjective [v-link ADJ against n]
If something or someone is proof against a particular thing, they cannot be damaged, harmed, or affected by it.
[written]The fortress was proof against the techniques of attack then in use.
His papers were proof against all but the most expert of scrutinies.
impervious, strong, tight, resistant, impenetrable, repellent5.
