Definition

To prove that something is not true or correct; to show that a belief or idea is false.

Example

The new evidence served to disconfirm the previous theory about the disease.

Tense Forms

Conversation

I heard that theory about the ancient ruins is being challenged.

Really? What happened to make them want to disconfirm it?

Some new evidence came to light that contradicts the original findings.

Wow, that sounds like it could change everything we thought we knew!

Synonyms & Antonyms

Root Explanation

Disconfirm → It is formed from "dis-" (meaning apart or away) and "confirmare" (meaning to make firm or establish). The word "disconfirm" means to take away the firmness or validity of something, essentially negating a confirmation.

Memory Tip

Think of 'taking away' ('dis-') the 'firmness' ('confirmare') of a statement or belief — that's why disconfirm means to negate a confirmation.

Visually Confused Words