transitive verb (~d; negating) see: no Date: circa 1623 to deny the existence or truth of, to cause to be ineffective or invalid, see: nullify ~ noun negator noun
NEGATE
Meaning of NEGATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012