The meaning of LIFELONG is lasting or continuing through life. How to use lifelong in a sentence.

Changing a lifelong pattern involving little social interaction outside the family, requires time and occasionally more support than a single intervention can offer. The lifelong learning concept has …

lifelong in American English (ˈlaifˌlɔŋ, -ˌlɑŋ) adjective lasting or continuing through all or much of one's life

Definition of lifelong adjective from the Oxford Advanced Learner's Dictionary. lasting or existing all through your life. Paul became his lifelong friend. Her lifelong ambition had been to learn how to fly. …

WordReference Random House Unabridged Dictionary of American English © 2026 life•long (līf′ lông′, -long′), adj. lasting or continuing through all or much of one's life: lifelong regret.

Define lifelong. lifelong synonyms, lifelong pronunciation, lifelong translation, English dictionary definition of lifelong. adj. Continuing for a lifetime. American Heritage® Dictionary of the English …