disprove
verbUK /dɪsˈpruːv/
US /dɪsˈpruːv/
To show that something is not true.
The scientist did an experiment to disprove the old idea.
OTHER MEANINGS
2. To prove that a statement or claim is false by giving evidence.
She gathered data to disprove the rumor about the school.
3. To show that an argument or theory is wrong.
The new findings disprove the theory that was popular for years.
4. To establish the falsity of something in a formal or legal setting.
The lawyer tried to disprove the witness's story.