life sustaining
/ˈlaɪf səˈsteɪnɪŋ/
adjective
- Providing what is necessary to keep someone or something alive.
- The astronauts relied on life-sustaining oxygen tanks during their spacewalk.
- Doctors administered life-sustaining medications to stabilize the patient.
- Clean water is a life-sustaining resource for all living creatures.
- Essential for the continued existence or functioning of something.
- The river provided life-sustaining irrigation for the farms.
- The life-sustaining support of the community kept the small library open.
- Education is a life-sustaining force for a democratic society.