proof

B1 Topic:Philosophy & Reasoning

US /pɹuf/ UK /pɹuːf/ See IPA manual

Freq #1634

Meanings

1

noun
Information or facts that show something is true.

If you have any proof of what you say, show it now.
2

verb
To read something carefully to find and correct mistakes.

Always proof your essay before handing it in.
3

verb
To make something resistant to harm or damage.

They proofed the jacket against rain.

Verb forms

Verb forms are not available for this word yet.

Thesaurus

Synonyms

1 noun · information or facts that... evidence

2 verb · to read something carefully... proofread

Word family

Forms proofedproofingproofs

Derived forms counterproofmisproofnonproofoverproofprooferproofingprooflessprooflikeprooflistenreproofsubproofunderproof

Related forms probe prove

Appears in

Phrases (2)

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Proverbs (2)

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Simplified etymology

Proof came through Old French proeve from Latin probare, “to test” or “prove.” Its sense “test” survives in the expression “the proof of the pudding is in the eating,” where proof does not mean verification that something is true.

Etymology

From Middle English proof, from Old French prove, from Late Latin proba (“a proof”), from Latin probō (“to prove”); see prove; compare also the doublet probe.

*bʰuH- Proto-Indo-European proof Middle English prove Old French proba la-lat probō Latin

View etymology graph ->

Topics

Philosophy & Reasoning General Vocabulary

External links

# proof

**Type:** Word
**Level:** B1
**Part of speech:** noun, verb
**IPA (US):** /pɹuf/
**IPA (UK):** /pɹuːf/
**Frequency rank:** 1634

## Meanings
1. Information or facts that show something is true.
2. To read something carefully to find and correct mistakes.
3. To make something resistant to harm or damage.

## Examples
- If you have any proof of what you say, show it now.
- Always proof your essay before handing it in.
- They proofed the jacket against rain.

## Derived Forms
- counterproof
- misproof
- nonproof
- overproof
- proofer
- proofing
- proofless
- prooflike
- prooflisten
- reproof
- subproof
- underproof

## Related Forms
- probe
- prove

## Roots and Affixes
- Root: *bʰuH-
- Root: proof
- Root: prove
- Root: proba
- Root: probō

## Etymology
From Middle English proof, from Old French prove, from Late Latin proba (“a proof”), from Latin probō (“to prove”); see prove; compare also the doublet probe.

## AI Etymology
Proof comes from Middle English proof, from Old French prove, from Late Latin proba (“a proof”), from Latin probō (“to prove”); see prove; compare also the doublet probe. The historical chain includes *bʰuH- (Proto-Indo-European), proof (Middle English), prove (Old French), proba (la-lat), probō (Latin). In present-day English it covers information or facts that show something is true, to read something carefully to find and correct mistakes, and to make something resistant to harm or damage. The wider family includes derived forms such as counterproof, misproof, nonproof, overproof, proofer and related forms such as probe, prove.

## Topics
- Philosophy & Reasoning
- General Vocabulary

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