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.

a thing on which someone or something depends for their existence or survival

Example:
The internet has become a lifeline for many small businesses during the pandemic.
Her family was her only lifeline during her illness.
2.

a rope or line used for saving or protecting life, typically one thrown to a person in the water or one used by a mountain climber

Example:
The sailor grabbed the lifeline just before falling overboard.
Mountain climbers always use a lifeline for safety.