# disconfirm

> English word · Verb

## Definitions
1. To establish the falsity of a claim or belief; to show or to tend to show that a theory or hypothesis is not valid.

## Etymology
From dis- + confirm.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/disconfirm