verbbriathar1nullify, cancel outtransitiveaistreachcealaighverbcmucuir ar cealcmucuir ar neamhnícmu2contradict, disprovetransitiveaistreachséanverbcmubréagnaighverbcmuhis answer negated his earlier statementsbhréagnaigh a fhreagra a ndúirt sé roimhe sin3deny existence oftransitiveaistreachséanverbcmudiúltaigh docmuto negate a liabilitydliteanas a shéanadh4linguisticsteangeolaíocht, mathematicsmatamaiticput into negativetransitiveaistreachdiúltaighverbcmuit's negated by the prefix 'mí'déanann an réimír 'mí' leagan diúltach de