Meaning of the word lifeline in English

What does lifeline mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

lifeline

US /ˈlaɪf.laɪn/
UK /ˈlaɪf.laɪn/

Noun

1.

something, especially a way of getting help, that you depend on to lead your life in a satisfactory way:

Example:
For many old people living on their own the phone is their lifeline to the outside world.
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