)1 noun in situationit can be a lifesaver if you're caught in the raintá sé an-áisiúil ar fad má thagann an bháisteach ort, is maith an sás é má bheireann an bháisteach ortit was a real lifesaver for usba mhór an chabhair dúinn é agus muid i ngátarthanks for that, you're a lifesavergo raibh maith agat as sin, is laoch thú2 noun sth that saves lifesmoke detectors are lifesaverssábhálann aláraim deataigh beatha daoine3 noun sb who saves lifetarrthálaí masc4 c m uwe need to get a trained lifesaver to the accident quicklycaithfimid tarrthálaí oilte a fháil a fhad leis an taisme go tapa4 noun (AUSTRALIA) lifeguardgarda tarrthála c m u