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Definition of disproof
disproof
/dɪsˈpruːf/
dis · proof
Plural:disproofs
•Adjective:disprovable
disproof Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
2
disproof Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
Facts, evidence, or logical arguments that establish that an assertion, theory, or belief is false; the act of disproving.
Example
"The newly discovered astronomical data served as a decisive disproof of the long-standing hypothesis."
Synonyms
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View all antonyms for disproof• Rhymes for disproof
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Word Origin & Etymology
First recorded in the early 16th century, formed from the prefix 'dis-' (indicating reversal or negation) and 'proof' (from Old French 'pruve', ultimately from Latin 'probare', meaning 'to test or prove').
Cite this Entry
Wordmom. (2026). Definition of Disproof. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/disproof