1 to show something to be wrong or to be the opposite of what was thought, or to cause something to have no effect:
In other words, this analysis does not negate previous findings that opinion change and attitude stability vary by political sophistication.
Finding discrepancies between oral traditions and other sources does not negate the value of oral traditions as historical evidence.
That some of these products are astonishingly beautiful does not negate the essential naivety of the thinking.
This second factor almost totally negates the progressive reading of the first.
If the constraints are linear, we negate them and test for unsatisfiability.
But the attempt to negate a piece of nonsense results in another piece of nonsense.
This negates the influence of economic, material, physical, social and cultural factors on how individuals experience ageing and negotiate their lives in old age.
This constraint seems to negate any awesomeness or glory or sublimity of the little totality.