What is the opposite of the word "confirm"? [closed]
I prefer to use the word refute in such a circumstance.
- to prove wrong by argument or evidence : show to be false or erroneous
- to deny the truth or accuracy of
Disconfirm:
The empirical data obtained in a test—or, as we shall prefer to say, the observation sentences describing those data—may then either confirm or disconfirm the given hypothesis, or they may be neutral with respect to it.
Disprove:
By careful observation, I have disproved that the earth orbits the sun.
You might want something like disprove, invalidate, or deny, no?