transitive verb (-fied; -fying) Etymology: Late Latin nullificare, from Latin nullus Date: 1595 to make null, to make of no value or consequence, Synonyms: see: ~
NULLIFY
Meaning of NULLIFY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012