lifelong

adjective

USLYF-lawng/ˈlaɪf.lɔŋ/LYF-long/ˈlaɪf.lɒŋ/

1 meaning of lifelong

1
adjective
Continuing or lasting throughout a person's entire life.
He maintained a lifelong commitment to protecting the local forest.
Her lifelong fascination with the stars eventually led her to study astronomy.
Similarenduring, abiding, long-standing, permanent
Oppositebrief, temporary, fleeting, passing

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Origin

Formed from "life" combined with the suffix "-long."