Dictionary.com
Thesaurus.com
Synonyms

disproof

American  
[dis-proof] / dɪsˈpruf /

noun

  1. the act of disproving.

  2. proof to the contrary; refutation.


disproof British  
/ dɪsˈpruːf /

noun

  1. facts that disprove something

  2. the act of disproving

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of disproof

First recorded in 1525–35; dis- 1 + proof


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Recent examples include OpenAI’s disproof of the unit distance conjecture, and the proof of Erdős’ problem 1196 by Liam Price, a 23-year-old amateur mathematician.

From Science Daily ● Aug. 6, 2026

In other words, the proof was a disproof.

From The Wall Street Journal ● May 30, 2026

All three of these books argue that if the proof or disproof of race is scientific, it must be true.

From Nature ● Sep. 16, 2014

"It is like looking for proof or disproof of the existence of God in a flower."

From The Guardian ● Apr. 13, 2013

As if goaded into disproof, one of the specks peeled away and began its near-vertical dive, directly above their heads.

From "Atonement" by Ian McEwan

Random Word

Spin the wheel and learn a new word!

Get a word


Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training