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unproven

B2
adjective

Pronunciation

UK

  • /ʌnprˈuːvən/

US

  • /ənˈpruvən/

Description

Something "unproven" hasn't been shown to be true or effective yet. It doesn't necessarily mean it is false, just that there isn't enough evidence to support it. Think of a detective investigating a case—until they find solid clues, the suspect's guilt remains unproven. Or imagine a new medicine; it's "unproven" until rigorous clinical trials demonstrate its benefits.

You might hear "unproven technology" referring to inventions still in development, or an "unproven theory" that scientists are still investigating. It's a word often used when discussing possibilities, potential, and caution, because something unproven could turn out to be wrong. A chef trying a new recipe for the first time is working with unproven methods.

Examples

  1. 1

    Technology investment

    The company decided not to invest in the unproven technology yet.

  2. 2

    Health advice

    Be careful with online health advice, especially when it recommends unproven treatments.

  3. 3

    Political claims

    The article repeated unproven claims about the mayor's finances.

  4. 4

    Athletic performance

    He's talented, but he's still unproven at this level.

    • Pattern

      unproven at + level

      not yet shown able to succeed in that situation

  5. 5

    Court evidence

    The accusations remained unproven in court.

Forms and spellings

1 form open this card.

Main spelling

  • unprovenadjective