Oxford Dictionary English lifeguard noun noun BrE BrE//ˈlaɪfɡɑːd// ; NAmE NAmE//ˈlaɪfɡɑːrd// (Australian English, New Zealand English lifesaver, surf lifesaver) Swimming Add to my wordlistjump to other results a person who is employed at a beach or a swimming pool to rescue people who are in danger in the water See related entries: SwimmingSee lifeguard in the Oxford Advanced American DictionaryCheck pronunciation: lifeguard oxfordlearnersdictionaries.com