Main Entry: ne·gate

Pronunciation: \ni-ˈgāt\

Function: transitive verb

Inflected Form(s): ne·gat·ed; ne·gat·ing

Etymology: Latin negatus, past participle of negare to say no, deny, from neg- no, not (akin to ne- not) — more at no

Date: circa 1623

1 : to deny the existence or truth of
2 : to cause to be ineffective or invalid

synonyms see nullify

— negate noun

— ne·ga·tor \-ˈgā-tər\ noun