(~s, ~ing, ~ed)
1.
If you ~ someone, you say that what they have just said is wrong, or suggest that it is wrong by saying something different.
She dared not ~ him...
His comments appeared to ~ remarks made earlier in the day by the chairman...
He often talks in circles, frequently ~ing himself and often ends up saying nothing.
VERB: V n, V n, V pron-refl
2.
If one statement or piece of evidence ~s another, the first one makes the second one appear to be wrong.
The result seems to ~ a major U.S. study reported last November.
VERB: V n