
Lifesaver
Metaphorical Use
Consider 'lifesaver' metaphorically to mean extremely helpful, not literally saving a life.

This study guide was a lifesaver for my exams.
Emotional Gratitude
Express your deep appreciation when something or someone remarkably eases your difficulties.

Thanks for your help – you’re a lifesaver!
Non-crisis Scenarios
Use 'lifesaver' even in everyday non-emergency situations where someone lends a hand.

Finding a restroom in time was a lifesaver.
Compare with
HeroLifeboatLifeguardProtectorSaviour
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension