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

Oscar-winner Brad Pitt, a lifelong Chiefs fan who grew up in Springfield, Missouri, was there, too. — Kansas City Star, 4 July 2026

And our founding, that pursuit of happiness, was not pursued of material goods in a marketplace of things but lifelong learning in a marketplace of ideas. — NBC news, 5 July 2026

Born in 1790, Force grew up hearing stories from soldiers who had battled the British, which instilled in him a lifelong interest in the fight for independence. — T. H. Breen, The Atlantic, 3 July 2026

The area last week was surrounded by surveillance cameras and patrolled by National Guardsmen as lifelong resident John Cates strolled the area. — Justine McDaniel, Los Angeles Times, 2 July 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