English Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition proof in British English

proof noun

noun
/pruːf/

▪ ample, clear, conclusive, final, further, irrefutable, scientific, sufficient, tangible

When proof means ‘information that proves something’, it is almost always an uncountable noun, and so:

▪ it rarely comes after a or a number

▪ it is rarely used in the plural

✗ The fact that science never stops developing is a proof that man never stops using his imagination.

✓ The fact that science never stops developing is proof that man never stops using his imagination.

✗ There are no proofs that homosexual couples are not able to bring up healthy, stable children.

✓ There is no proof that homosexual couples are not able to bring up healthy, stable children.

The countable noun proof (usually found in the plural) is a technical word for a copy of a book or article which has to be checked before being printed:

The corrected proofs have been delivered to the printer.

1

information or evidence that shows that something is definitely true or definitely exists

Example

We were unable to establish proof of her innocence.

Example

Do you have any proof of identity (=a document such as a passport that proves who you are)?

Example

Do you have any proof that this is true?

Synonyms and related words
Synonyms and related words
3

a copy of a book or article that someone reads and corrects before the final copy is made

Synonyms and related words
Definition proof in British English