Definition of lifelong
- a lifelong friendship
He had a lifelong love of nature.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lifelong.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: continuing or lasting through a person's life
What made you want to look up lifelong? Please tell us where you read or heard it (including the quote, if possible).
Confusing Words—A Quiz