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

Vargo’s recent party switch and her clashing political mailers — some reading as if made for Democrats and others for Republican voters — prompted the local Democratic party to back her opponent, Patricia Rumph, a lifelong Democrat. — Stephen Hudak, The Orlando Sentinel, 24 Sep. 2026

Seth MacFarlane curated and helped finance the commissions, drawing on his lifelong devotion to orchestral music and his extensive work with live musicians. — Laura Zornosa, Los Angeles Times, 24 Sep. 2026

To her, Moore was not just a style icon but rather a lifelong role model. — Lisa Lockwood, Footwear News, 24 Sep. 2026

The singer’s first-ever experience in the music industry taught her valuable, lifelong lessons about being in recording studios, going on tour and navigating a professional singing career. — Gil Kaufman, Billboard, 23 Sep. 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