lifelong

adjective

life·​long ˈlīf-ˌlȯŋ 

1

: lasting or continuing through life

a lifelong friendship

2

: long-standing

Examples of lifelong in a Sentence

He had a lifelong love of nature.

Recent Examples on the Web

John Kelly/Getty Images Redford, who died last year, became a lifelong friend. — CBS News, 22 Oct. 2026

Generations of former players have benefited not only from his leadership as a coach, but also from his mentorship, loyalty, and lifelong friendship. — Pete Grathoff, Kansas City Star, 22 Oct. 2026

Every bite reflects decades of dedication, tradition, and a lifelong passion for fine cooking. — Michael Deeds, Idaho Statesman, 21 Oct. 2026

Driven by a lifelong dream of stardom, she was known for her powerhouse vocals and drive, but often alienated peers with her ego. — Denise Petski, Deadline, 21 Oct. 2026

Word History

First Known Use

1613, in the meaning defined at sense 1

Rhymes for lifelong

• evensong
• livelong
• overlong
• vietcong
• agung
• along
• belong
• birdsong
• furlong
• headlong
• headstrong
• plainsong

Kids Definition

lifelong

adjective

life·​long ˈlī-ˌflȯŋ 

: continuing or lasting through life

a lifelong love for trees

a lifelong friendship