prove
B1Neutral (used in both formal and informal contexts)
Definition
Meaning
To establish the truth, validity, or genuineness of something through evidence or argument.
To test or try the quality of something; to turn out to be or be shown to be in a particular way; to let dough rise before baking.
Linguistics
Semantic Notes
Has both a transitive sense ('prove a theorem') and a linking verb sense ('it proved difficult'). The past participle has two forms: 'proved' and 'proven'.
Dialectal Variation
British vs American Usage
Differences
The past participle 'proven' is significantly more common and accepted as standard in American English. In British English, 'proved' remains the preferred past participle, though 'proven' is used, especially in legal contexts and as an adjective.
Connotations
In both varieties, 'prove' can imply a rigorous, formal demonstration (mathematics, law) or a more general establishment of truth.
Frequency
Similarly high frequency in both varieties. The dough-rising sense ('prove the dough') is more common in UK baking terminology (US: 'let the dough rise').
Vocabulary
Collocations
Grammar
Valency Patterns
Prove + noun (prove a theory)Prove + (that)-clause (prove that he was right)Prove + noun + to be + adjective (proved him to be innocent)Prove + reflexive (prove yourself)Prove + adjective (it proved useful)Intransitive (the theory proved correct)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “The exception that proves the rule”
- “Prove your mettle”
- “Have something to prove”
Usage
Context Usage
Business
Used in contexts of demonstrating value, ROI, or concept viability (e.g., 'We need to prove the market demand').
Academic
Central to scientific method and logical argumentation (e.g., 'The experiment proved the hypothesis').
Everyday
Common in discussions about personal actions, trust, and outcomes (e.g., 'He proved he could do it', 'It proved to be a good idea').
Technical
In mathematics and logic, denotes a formal, deductive demonstration. In law, refers to establishing a case by evidence.
Examples
By Part of Speech
verb
British English
- Can you prove your identity?
- The dough needs an hour to prove.
- He proved himself a capable leader.
American English
- The defense failed to prove its case.
- She has proven her dedication time and again.
- The method proved highly effective.
adjective
British English
- 'Not proven' is a verdict in Scottish law.
- A proven track record is essential.
American English
- She used a proven technique.
- He is a proven expert in the field.
Examples
By CEFR Level
- I can prove I was at home.
- The homework proved too difficult for me.
- Scientists are trying to prove the new theory.
- He proved to be a very good friend when I needed help.
- The prosecution must prove the defendant's guilt beyond reasonable doubt.
- Her prediction proved accurate, much to everyone's surprise.
- The philosopher set out to prove the existence of free will through a complex logical argument.
- Despite initial scepticism, the strategy proved immensely profitable, vindicating its proponents.
Learning
Memory Aids
Mnemonic
To PROVE something is to PROVIDE (sounds like 'pro-vide') REASONABLE EVIDENCE.
Conceptual Metaphor
TRUTH IS A SOLID OBJECT (to be established/founded); ARGUMENT IS A JOURNEY (to prove a point is to reach a destination).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid using 'approve' (одобрять) for 'prove' (доказывать). They are false friends.
- Do not confuse 'prove' with 'test' (тестировать). 'Prove' is about the result, 'test' is about the process.
- In Russian, 'оказываться' is a close match for the linking verb sense 'prove to be'.
Common Mistakes
- Using 'proof' as a verb (incorrect: 'I will proof it'; correct: 'I will prove it').
- Overusing 'proven' as the past participle in formal British English where 'proved' is expected.
- Using 'prove about' (incorrect). Correct patterns: prove + object, or prove + that clause.
Practice
Quiz
In which sentence is 'prove' used in its 'dough-rising' sense?
FAQ
Frequently Asked Questions
Yes. 'Proven' is standard as a past participle, especially in American English and as an adjective (a proven method). In British English, 'proved' is the more common past participle, but 'proven' is also used.
'Prove' is a verb meaning to demonstrate truth. 'Proof' is primarily a noun (the evidence itself) or an adjective meaning 'resistant' (waterproof). Using 'proof' as a verb (e.g., 'proofread') is a different, specific meaning.
Not directly. The pattern is 'prove (someone/something) to be...' (He proved the statement to be false) or it functions as a linking verb: 'It proved to be impossible.'
It is often used (somewhat illogically) to mean that an exception to a general rule somehow confirms the rule's existence or validity. Its original legal meaning was that an exception (e.g., 'parking forbidden on Sundays') proves a rule exists ('parking is allowed on other days').