Definition of Proof
Quick Meaning of Proof
Facts or evidence that show something is definitely true or really happened.
Detailed Definition of Proof
Evidence or facts that show something is true or definitely happened; the act of proving.
How to Pronounce Proof
Stress pattern: O (1-syllable word).
Tip: Long 'oo' sound /uː/ like 'cool'. Single syllable. Final 'f' is pronounced; rhymes with 'roof'.
Watch out: Some learners pronounce it like 'pru-off' or with short 'oo' sound.
Origin and Etymology of Proof
From Old French 'prueve', from Latin 'proba' meaning 'approved' or 'tested'; root: 'probare' (to test/approve).
How to Use Proof in a Sentence
Each example shows “proof” with a CEFR level so learners can pick examples that match their fluency.
-
“Do you have proof that you paid the electricity bill?”
-
“Scientists found strong proof of climate change in the data.”
-
“The receipt is proof of your purchase.”
Synonyms and Antonyms of Proof
Common Synonyms for Proof
Smart Synonyms for Proof — When to Use Each
- evidence
- broader facts supporting different arguments
- verification
- formal proof through checking processes
- documentation
- written formal recorded proof
Common Collocations with Proof
These phrases pair with “proof” in everyday English:
- proof of payment
- proof of identity
- strong proof
- clear proof
- provide proof
Common Mistakes When Using Proof
Even fluent speakers slip up with “proof”. Here’s how to avoid the most common errors:
- ✗ Wrong: I need three proofs for my insurance claim.
- ✓ Correct: I need three pieces of proof or proof for my insurance claim.
- Why: 'Proof' is usually uncountable; use 'pieces of proof' for multiple items.
- ✗ Wrong: Can you give me proofs that this is real?
- ✓ Correct: Can you give me proof that this is real?
- Why: Use singular 'proof'; as uncountable noun, 'proof' covers all evidence collectively.
Words Confused With Proof
- Proof vs Proof (verb): Verb = to check/read for errors; noun = evidence/validation
Other Forms of Proof
Frequently Asked Questions About Proof
What is the meaning of "Proof"?
Facts or evidence that show something is definitely true or really happened.
How do you pronounce "Proof"?
The IPA is /pruːf/. Long 'oo' sound /uː/ like 'cool'. Single syllable. Final 'f' is pronounced; rhymes with 'roof'.
What part of speech is "Proof"?
"Proof" is a noun at B1 level (Common European Framework).
What are synonyms for "Proof"?
Common synonyms include evidence, verification, confirmation.
How do you use "Proof" in a sentence?
For example: "Do you have proof that you paid the electricity bill?"