nounAinmfhocal1sb quick to take advantagehe was an opportunistfear faille a bhí ann2criminalcoirpeach faillean alarm will deter a casual opportunistcuirfidh aláram coirpeach faille ó dhorasadjectiveaidiacht3an opportunist thiefgadaí a thapaíonn a dheisopportunist politicspolaitíocht na faille