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

The second takeaway is that humans were apparently focused on trying to prove the conjecture, rather than disproving it. —Lance Eliot, Forbes.com, 26 May 2026

Still, experts note that memory disorders can be difficult to definitively verify or disprove. —Stephanie Nolasco, FOXNews.com, 23 May 2026

Researchers spent generations trying to prove or disprove that theory. —Aamir Khollam, Interesting Engineering, 20 May 2026

The first and third items in this indictment are indisputable; the second is a complicated and qualified matter; and the last two are libels, still part of popular legend no matter how often disproved by serious biography. —Thomas Mallon, New Yorker, 18 May 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