Definition of disprove
- disprove a theory
Magellan's circumnavigation of the globe disproved any lingering notions that the earth is flat.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'disprove.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 14th centurySee Words from the same year
give the lie to;
What made you want to look up disprove? Please tell us where you read or heard it (including the quote, if possible).