1. noun main person or thing2. noun MUS in music charts3. noun haircut4. noun passing urine1 noun main person or thinguimhir a haon c m uyour health is number oneis í an tsláinte an rud is tábhachtaíthat's number one on their agendasin an chloch is mó ar a bpaidrín, is é sin an tosaíocht is mó acuthe world number one in golfan t-imreoir gailf is fearr ar domhan2 noun MUS in music chartsuimhir a haon c m uwhat do you think will be number one at Christmas?cad é a shíleann tú a bheidh ag uimhir a haon ag an Nollaig?this week's number one is ...ag uimhir a haon an tseachtain seo tá ...3 noun informal haircutuimhir a haon c m u4 noun informal passing urineuimhir a haon c m ufual masc1 c m umún masc1 c m uto do a number onedo mhún a dhéanamh, braon a scaoileadh
number-one
(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