Meaning & use
lifeline
Something regarded as essential, especially a source of help in a crisis, or a rope used for rescue.
See it in a sentence
The small monthly stipend became a lifeline for the family after the factory closed.
Rescuers threw a lifeline to the swimmer struggling against the current.
A note on using this word
Lifeline is often used figuratively for crucial support and literally for a physical rope or cable used in rescue situations.
Words with a similar meaning
mainstaysupport
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Make it your own
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