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

Lifelong definition: lasting or continuing through all or much of one's life.. See examples of LIFELONG used in a sentence.

Babies born too soon, before 37 weeks in the womb, can face serious, lifelong health problems if they survive.

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

“Lifelong” is one word. It is the only acceptable choice in English. There is never a need to hyphenate the two words because “lifelong” already comes with an official meaning (and has …

Definition of lifelong adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Factsheet What does the word lifelong mean? There are three meanings listed in OED's entry for the word lifelong. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Find 165 synonyms for Lifelong to improve your writing and expand your vocabulary.

WordReference Random House Unabridged Dictionary of American English © 2025 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 …