CEFR B1
life-saver
noun
Meaning
A device or object that saves someone's life, especially in a dangerous situation such as drowning. It can also refer to something that helps someone in a difficult or unpleasant situation.
Examples
- The life-saver thrown to the struggling swimmer helped her stay afloat until the rescue team arrived.
- The new medication was a life-saver for people with that disease.