(also number one) adjectivethey had two number-one hitschuaigh dhá rian dá gcuid go barr na gcairteachathe number-one team in the countyan fhoireann is fearr sa chontaethe number-one bestselling bookan leabhar is mó díolour number-one priorityan tosaíocht is práinní atá againnthe number-one killer diseasean galar is mó a mharaíonn daoine → féach number one