1 noun informalit's a cert that he'll winis cinnte go mbuafaidh sé, níl dabht dá laghad ann nach mbuafaidh séshe's a certis cinnte go n-éireoidh léi
phrases
a dead cert
1 absolute certaintyit's a dead certníl aon dabht faoithey're a dead cert to failteipfidh orthu chomh siúráilte agus atá gob ar ghandalit's a dead cert that she won't answerbí cinnte glan de nach bhfreagróidh sí, is beag an baol go bhfreagróidh sí2 racehorsethat horse was a dead certbhí an rás tugtha síos don chapall sin, ba é an capall sin rogha láidir na coitiantachta
