English Reference

Word

lifeline

Phoneticslife·line, stress on the first syllable

US/ˈɫaɪˌfɫaɪn/

UK/lˈaɪflaɪn/

Countable noun

Definition

n. something that helps you survive or succeed when you are in a very difficult situation. It can be a person, a service, or a piece of equipment that saves you.

n. a source of vital assistance or support that enables survival or continued operation during a crisis. In its literal sense, refers to a rope or line used for saving life at sea.

Examples

“The government grant was a lifeline for the small business.”

“For many elderly residents living in remote areas, the local bus service is a vital lifeline to the nearest pharmacy.”

“The emergency credit facility provided a necessary lifeline to the bank, preventing a total collapse of liquidity while the board negotiated a more permanent restructuring plan.”

Examples

simple

“The government grant was a lifeline for the small business.”

contextual

“For many elderly residents living in remote areas, the local bus service is a vital lifeline to the nearest pharmacy.”

complex

“The emergency credit facility provided a necessary lifeline to the bank, preventing a total collapse of liquidity while the board negotiated a more permanent restructuring plan.”

Usage

Often used metaphorically with the preposition 'to' or 'for'.

Real-World Examples

“The ferry served as a vital lifeline for remote fishing communities along the lake, connecting them to food supplies, markets and essential services.”
Al Jazeera 15 Aug 2026
“Many survivors told me they consider the organization’s semiannual conferences to be a lifeline.”
The Conversation 10 Aug 2026

Etymology

From life + line.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

Domains

EngineeringNautical

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference