Lifesaver definition

līfsāvər
Frequency:
One that saves a life.
noun
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One that provides help in a crisis or emergency.
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A person or thing that saves people from drowning, as a lifeguard.
noun
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(informal) A person or thing that gives aid in time of need.
noun
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A life preserver shaped like a ring.
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Someone or something that saves lives.

My dad loves his job as a surf lifesaver. Paramedics are not just ordinary workers, but lifesavers with a very important job.

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(figuratively) Someone or something that is very useful or helpful.

Thank you so much for fixing my car; you're a real lifesaver! This shop is a lifesaver on a hot day when you're craving a cold drink.

noun
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Other Word Forms

Noun

Singular:
lifesaver
Plural:
lifesavers