- a person present at a beach or pool to guard people against the risk of drowning
WordReference Random House Learner's Dictionary of American English © 2026
life•guard /ˈlaɪfˌgɑrd/USA pronunciation n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- an expert swimmer employed to protect bathers from drowning.
life•guard
(līf′gärd′),USA pronunciation n.
v.i.
- an expert swimmer employed, as at a beach or pool, to protect bathers from drowning or other accidents and dangers.
v.i.
- to work as a lifeguard.
- life + guard 1640–50
Collins Concise English Dictionary © HarperCollins Publishers::
lifeguard /ˈlaɪfˌɡɑːd/ n