Meaning & Definition of word "Proof"

Proof

/pruːf/

1. Evidence or argument establishing a fact or the truth of a statement.
- Example: The scientist presented proof of her theory through extensive research.
2. A trial or test to determine the quality, strength, or reliability of something.
- Example: The new smartphone went through rigorous proof before its release.
3. A piece of evidence that helps to establish a fact or a truth.
- Example: He provided proof of his identity with a government-issued ID.
4. A copy of a document or print before final printing.
- Example: She reviewed the proof of her article to check for any errors.

1. To make proof against; to make resistant to.
- Example: We need to proof the house against water damage before the rainy season.

Middle English, from Old French 'prove', from Latin 'probatum'.

in proof:

In the process of being proofed or tested.

proof of concept:

Evidence that a concept or theory is feasible.

to be proof against:

To be resistant or immune to something.

beyond proof:

So clearly the case that no further evidence is needed.

evidence:

Information or signs indicating whether a belief or proposition is true or valid.

testimony:

A formal written or spoken statement, especially one given in a court of law.

verification:

The process of establishing the truth, accuracy, or validity of something.

Meaning: An assertion of credibility or resilience.

Example Sentence: This phone is proof; you can drop it and it won't break.

Meaning: Something that establishes the reality of a situation.

Example Sentence: That certificate is total proof of her expertise.