English Reference
Verb

disprove

v.
B2 Upper Intermediate US /dɪsˈpɹuv/ UK /dɪspɹˈuːv/ dis·prove UK spelling disproved, disproves, disproving

v.to show that something is not true or correct. You use this when you have evidence that contradicts a statement or a theory.

v.to demonstrate that a statement, theory, or belief is false or invalid. Transitive — requires a direct object representing the claim being refuted.


SIMPLE

The new evidence helps to disprove the old theory.

CONTEXTUAL

Scientists conducted a series of experiments to disprove the hypothesis that the plant could survive without sunlight.

COMPLEX

While the initial data suggested a correlation, subsequent peer-reviewed research was able to disprove the link between the two variables, leading to a complete revision of the original model.

The results also do not disprove an idea proposed by study co-author Professor Sir Roger Penrose (University of Oxford).

ScienceDaily· 8 Sept 2026

It’s an idea that some mathematicians believe is true but nobody has been able to prove or disprove.

ScienceDaily· 6 Aug 2026

From Middle English disproven, dispreven, from Old French desprover, from des- + prover, equivalent to dis- + prove.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Old French desprover
Level B2 · Upper Intermediate
Frequency Occasional
Updated