Pronunciation: /ˈlaɪfˌseɪvər/
noun a person or thing that saves someone's life, especially in a dangerous situation
A1 My friend is a real lifesaver when I need help with my homework.
A2 Having a first aid kit in your car can be a lifesaver in emergencies.
B1 The new software program was a lifesaver for the company, saving them time and money.
B2 The GPS on my phone was a lifesaver when I got lost in a foreign city.
C1 The doctor's quick thinking and expertise were a lifesaver for the patient in critical condition.
C2 The search and rescue team's helicopter was a lifesaver for the hikers stranded on the mountain.
adjective describing something or someone that saves or protects lives
A1 My friend gave me a lifesaver tip for studying English.
A2 Having a smartphone with internet access is a real lifesaver when traveling.
B1 The new software update was a lifesaver for improving productivity at work.
B2 The emergency kit in the car proved to be a lifesaver when we got a flat tire.
C1 The new medication has been a lifesaver for patients with chronic pain.
C2 The advanced technology in the new device is a lifesaver for people with disabilities.
formal The automated external defibrillator proved to be a lifesaver in the emergency situation.
informal My friend who is a nurse turned out to be a real lifesaver when I got sick on vacation.
slang That new app is a total lifesaver when it comes to finding the best deals online.
figurative Learning how to manage my time effectively has been a real lifesaver in my busy schedule.
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