proven

proven — adjective

1. Something that is proven has been shown through evidence, testing, or repeated e

1.adjectiveB2
Definition

Something that is proven has been shown through evidence, testing, or repeated experience to be true, effective, or reliable — for example, a proven treatment, a proven leader, or a proven method.

Example

The clinic uses a proven treatment for reducing chronic back pain.

collocation: proven treatment

Jabari's proven ability to manage large teams made him the ideal candidate.

collocation: proven ability + to-infinitive

Common collocations
  • proven track record
  • proven ability
  • proven effectiveness
  • proven method
  • proven treatment
  • proven success
Synonyms
  • established

    emphasises that something has been in use or accepted for a long time, not just tested once

  • verified

    focuses on formal checking and confirmation, often in scientific or official contexts

Antonyms
  • unproven

    not yet shown to be true or effective

  • doubtful

    suggests a lack of trust or reliability

Grammar Patterns

proven + noun phrase

be + proven + adjective

be + proven + to-infinitive

Usage Note

Frequently used as an adjective before a noun (a proven method) or after the verb be (the theory is proven). In American English, proven is also common as the past participle of prove; in British English, proved is more common for the participle form.

Common Mistakes

This is a proved method for learning languages.
This is a proven method for learning languages.
'proven' is the standard adjective form; 'proved' is the past participle used with auxiliary verbs like 'have' or 'had'.
Idioms

not proven

idiom

A decision in a court case that there is not enough evidence to decide if someone is guilty or innocent, so the person is released.

The jury returned a verdict of not proven for the defendant.

In Scotland, a not proven verdict means the accused goes free.