lifesaver

word

Definition

A person or thing that saves someone from danger or difficulty; also used informally for anything that is a big help in a tough situation.

Usage & Nuances

Informal when used to mean 'big help'; very positive. Commonly used for people ('You're a lifesaver!') or items ('This app is a lifesaver.'). Can be literal (rescue) or figurative (helpful solution). Not typically used for trivial help.

Example Sentences

The nurse was a lifesaver during the emergency.

basic

This map is a real lifesaver when I get lost.

basic

You fixed my laptop just in time—total lifesaver.

natural

Stuck in the rain without an umbrella? This poncho is a lifesaver.

natural

Honestly, that reminder text was a lifesaver—I totally forgot about my appointment.

natural

Thanks for bringing me water—you’re a lifesaver!

basic