Refute
Etymology
From Latin "refutare" (to drive back, repel, check) — "re-" (back) plus a root "-futare" (to beat, strike), related to "confutare" (to confute). To refute is to beat a claim back, and the word carries the sense of actually overcoming it, not just pushing against it.
verb · /rih-FYOOT/
To prove a claim or argument to be false or wrong.
What it names
A handle for actually defeating a claim with evidence or reasoning — not merely disagreeing with it or asserting the opposite.
Example
The lab results didn’t just dispute the theory; they refuted it outright.
Related idea
The common misuse is treating "refute" as a synonym for deny or reject: to deny a claim is merely to assert it’s false, but to refute it is to show that it is. You can deny something you haven’t touched; you can only refute what you’ve actually demolished. Compare rebut, which means to argue against without necessarily succeeding.
See also