proof Definition
- 1evidence or argument establishing a fact or the truth of a statement
- 2the strength of distilled alcoholic spirits, relative to the percentage of alcohol present
Using proof: Examples
Take a moment to familiarize yourself with how "proof" can be used in various situations through the following examples!
Example
The fingerprints on the weapon were proof of his guilt.
Example
She demanded proof of his love for her.
Example
The mathematical proof was complex but convincing.
Example
The whiskey was 80 proof.
proof Synonyms and Antonyms
Synonyms for proof
Antonyms for proof
Idioms Using proof
the real value or quality of something can only be judged when it's put to use or tested
Example
We won't know if the new software is any good until we try it out. The proof of the pudding is in the eating.
Example
The DNA test was proof positive that he was the father.
Example
The new marketing strategy was a success, and the proof is in the pudding with increased sales.
Phrases with proof
Example
The burden of proof is on the prosecution to prove the defendant's guilt.
Example
The DNA test was proof positive that he was the father.
Example
The prototype was a proof of concept for the new product line.
Origins of proof
from Old French 'preve', from Latin 'probare', meaning 'to test or prove'
Summary: proof in Brief
The term 'proof' [pruːf] refers to evidence or argument establishing a fact or the truth of a statement, as in 'The fingerprints on the weapon were proof of his guilt.' It also denotes the strength of distilled alcoholic spirits, as in 'The whiskey was 80 proof.' 'Proof' extends into phrases like 'burden of proof,' and idioms like 'the proof of the pudding is in the eating,' denoting the practical demonstration of the truth or effectiveness of something.