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Lifesaver
01
a life preserver in the form of a ring of buoyant material
02
an attendant employed at a beach or pool to protect swimmers from accidents
03
something that provides great help in a difficult situation
Informal
Grammatical Information
Animacy status
Abstract
Composition
Compound
Countable
Plural form
lifesavers
Examples
This portable charger is a lifesaver when my phone dies.
