Answer: negated

AnswerCrossword Clue
NEGATEDProved nonexistent.
negatedto deny; nullify
negatedNEGATE, to nullify (to negate)
NEGATEDVoided
NEGATEDReversed
NEGATEDCountermanded
NEGATEDVetoed
NEGATEDAnnulled
NEGATEDInvalidated
NEGATEDDenied.
NEGATEDRendered null.
NEGATEDVetoed.
NEGATEDContradicted.
NEGATEDCanceled out
NEGATEDNullified.
NEGATEDMade invalid
NEGATEDCounteracted
NEGATEDDisestablished
NEGATEDBrought to naught
NEGATEDBrought to nought
NEGATEDDenied
NEGATEDRuled out
NEGATEDContradicted
NEGATEDMade ineffective
NEGATEDCanceled
NEGATEDNullified