disprove

verb

dis·​prove (ˌ)dis-ˈprüv 

disproved; disproven (ˌ)dis-ˈprü-vən  also disproved; disproving; disproves

transitive verb

: to prove to be false or wrong : refute

disprove a theory

Synonyms of disprove

• refute

Examples of disprove in a Sentence

Magellan's circumnavigation of the globe disproved any lingering notions that the earth is flat.

Recent Examples on the Web

In January, Kennedy appointed 21 new members to the Interagency Autism Coordinating Committee, many of whom have tied the existence of autism to vaccines, despite an overwhelming scientific consensus disproving that association. —O. Rose Broderick, STAT, 19 Mar. 2026

Though Iranian media suggested an incoming message would disprove his death, Iranian officials released a statement from Larijani dated March 4 on Tuesday morning. —Washington Examiner Staff, The Washington Examiner, 17 Mar. 2026

Discounting the Patterson-Gimlin film is one thing; disproving the existence of giant humanoid creatures is another. —Sheri Linden, HollywoodReporter, 12 Mar. 2026

In each case, skeptics used the scientific method to produce data that disproved the incumbent theory. —Noubar Afeyan, Time, 9 Mar. 2026

Word History

Etymology

Middle English, from Anglo-French desprover, from des- dis- + prover to prove

First Known Use

14th century, in the meaning defined above

Rhymes for disprove

• approve
• improve
• remove
• reprove
• disapprove
• groove
• move
• prove

Kids Definition

disprove

verb

dis·​prove (ˈ)dis-ˈprüv 

: to prove to be false