Meaning of the word lifelong in English

What does lifelong mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

lifelong

US /ˈlaɪf.lɑːŋ/
UK /ˈlaɪf.lɒŋ/
"lifelong" picture

Adjective

lasting for the whole of a person's life

Example:
She has been my lifelong friend.
He has a lifelong passion for music.