English Reference

Word

lifelong

Phoneticslife·long, stress on the first syllable

US/ˈɫaɪˈfɫɔŋ/

UK/lˈaɪflɒŋ/

Definition

adj. lasting for your whole life. You use this to describe a habit, a feeling, or a relationship that never ends.

adj. lasting or continuing through the entire duration of an individual's life. Often used to modify nouns representing personal commitments, interests, or relationships.

Examples

“She has a lifelong passion for classical music.”

“The two scientists maintained a lifelong friendship after meeting during their first year of university.”

“The university's mission statement emphasizes the importance of fostering a lifelong commitment to learning that extends far beyond the completion of a formal degree.”

Examples

simple

“She has a lifelong passion for classical music.”

contextual

“The two scientists maintained a lifelong friendship after meeting during their first year of university.”

complex

“The university's mission statement emphasizes the importance of fostering a lifelong commitment to learning that extends far beyond the completion of a formal degree.”

Collocations

Common phrases and expressions where native English speakers use the word “lifelong” in context.

Verb

01. form a lifelong bond

“The soldiers formed a lifelong bond during their time serving together overseas.”

verb + adj + noun

02. fulfill a lifelong dream

“He traveled to Antarctica to fulfill a lifelong dream of seeing penguins in the wild.”

verb + adj + noun

03. remain lifelong partners

“Despite their professional differences, they remained lifelong partners in their business ventures.”

verb + adj + noun

Adjective

04. lifelong ambition

“She finally achieved her lifelong ambition of becoming a commercial pilot.”

adj + noun

05. lifelong commitment

“Marriage is often viewed as a lifelong commitment to one's partner.”

adj + noun

06. lifelong friend

“They have been lifelong friends since they first met in kindergarten.”

adj + noun

07. lifelong learning

“The university promotes lifelong learning by offering courses for all ages.”

adj + noun

Usage

Typically used as an attributive adjective, appearing before the noun it modifies.

Real-World Examples

“Aimed at people with lifelong and severe disabilities, NDIS was created to ensure disabled Australians had greater independence and an improved quality of life.”
BBC News 12 Aug 2026
“That choice – the cowardice of it – and its lifelong repercussions for her daughters may never have come fully to light were it not for the persistence of several journalists, Aviv included.”
The Guardian 11 Aug 2026

Etymology

From life + -long.

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

Word family

ADJECTIVE

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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · AdvancedOxford
Updated

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English Reference