lifesaver

noun

life·​sav·​er ˈlīf-ˌsā-vər 

1

: one trained to save lives of drowning persons

2

: one that is at once timely and effective in time of distress or need

Examples of lifesaver in a Sentence

a surgical procedure that has been a lifesaver for many people

This multipurpose tool can be a real lifesaver when something needs fixing.

Frozen dinners can be lifesavers for busy parents.

Thanks so much for offering to help. You're a real lifesaver!

Recent Examples on the Web

Infinity travel neck pillow (Amazon ) Travel pillows are a lifesaver on long flights. —Christopher Murray, Fox News, 22 May 2024

In Annapolis, the Maryland General Assembly has some fine opportunities to join the lineup of lifesavers for this coming season. —Baltimore Sun Editorial Board, Baltimore Sun, 5 Mar. 2024

Word History

First Known Use

1887, in the meaning defined at sense 1

Kids Definition

lifesaver

noun

life·​sav·​er ˈlīf-ˌsā-vər 

1

: a person trained to save the lives of drowning persons

2

: something that relieves distress when most needed