Proof

pruːf

nounBeginner🔥Very CommonEvidence
4 meanings1 idiom/phrase3 questions

Definitions

4 meanings
1

Evidence or argument that confirms the truth of something.

pruːf

nounneutralBeginner
Evidence

Evidence or argument establishing a fact or the truth of a statement.

The detective gathered proof to solve the mystery.

💡 Simply: Proof is like the evidence you show to prove something is true. Like showing your mom your report card as proof you got good grades.

👶 For kids: Proof is like showing something to show it's true!

More Examples

2

Can you provide proof that you were at the library last night?

3

The scientist searched for proof to support his theory.

How It's Used

Legal

"The prosecution presented irrefutable proof of the defendant's guilt."

Scientific

"The experiment provided proof of the hypothesis."

2

A trial impression used to check for errors before the final version.

pruːf

nounneutralmedium
Printing

A trial impression of a print or other reproduced material.

The publisher sent the manuscript out for proofreading.

💡 Simply: A proof is like a draft copy of a magazine or book that people check for mistakes before it gets printed.

👶 For kids: A proof is like a test copy to see if a picture or paper is right before it's printed.

More Examples

2

The editor reviewed the proofs for any typos or formatting issues.

3

The author was asked to approve the final proofs of her book.

How It's Used

Printing

"The designer reviewed the proofs before giving the final approval."

Publishing

"The editor checked the galley proofs for errors."

Tip:Imagine a 'proof' copy of a book; it's checked for mistakes, like spotting tiny errors under a magnifying glass.
3

To read and check for errors.

pruːf

verbneutralmedium
Action

To check or examine (something) for errors.

The copy editor will proof the article before it is published.

💡 Simply: To proof something is to read it carefully and check for mistakes. Like when you check your homework before you give it to the teacher.

👶 For kids: To proof is to read and check for any mistakes.

More Examples

2

She carefully proofed her essay for any grammatical errors.

3

Before sending out the email, he proofed it for any typos.

How It's Used

Publishing

"He proofed the manuscript to remove any typos."

Writing

"Before submitting your essay, proof it carefully."

Tip:Imagine 'proofing' your homework like giving it a 'pro' check for mistakes before handing it in.
4

The alcoholic content, measured as a percentage of alcohol in a beverage.

pruːf

nounneutralmedium
Measurement

The degree of alcohol content.

The label on the bottle indicated the alcohol's proof.

💡 Simply: Proof is like how strong a drink with alcohol is. Like a drink with a high proof is stronger and contains more alcohol.

👶 For kids: Proof tells you how much alcohol is in a drink.

More Examples

2

The proof of the spirit determined its potency.

3

He preferred drinks with a lower proof to avoid intoxication.

How It's Used

Distillation

"The whiskey had a high proof, indicating a high alcohol content."

Beverage Industry

"This vodka has a proof of 80."

Tip:Think of alcoholic 'proof' as a measure of the strength, like how it 'proves' its potency.

Idioms & expressions

the proof of the pudding is in the eating

The true value or quality of something can only be judged after it has been tested or experienced.

"We can't know if the new software will be useful until we use it – the proof of the pudding is in the eating."

From Old French *prove* (to test, prove) and ultimately from Latin *probare* (to test, approve).

The word 'proof' has been used in English since the late 13th century, evolving from its origins in Old French and Latin to signify evidence, testing, and ultimately, confirmation.

Memory tip

Think of the 'roof' of a house; it provides protection and stability, just as proof establishes certainty.

Word Origin

LanguageLatin
Original meaning

"to test, to prove"

provide proofirrefutable proofscientific proofproof of conceptgalley proofsalcohol proof

Common misspellings

proufproofe

Usage

40%Spoken
60%Written