Lifelong is an adjective.
/lɪfˈlɔɪŋ/
The word "lifelong" refers to something that lasts for the entirety of a person's life. It is often used to describe commitments, relationships, or education that span an entire lifetime. The frequency of use is moderate; it is commonly encountered in both oral and written contexts, often in discussions about education, personal values, or enduring relationships.
She has a lifelong commitment to environmental conservation.
Она имеет lifelong обязательство к охране окружающей среды.
They formed a lifelong friendship during their college years.
Они завели lifelong дружбу во время учебы в колледже.
He believes in lifelong learning, always seeking new knowledge and skills.
Он верит в lifelong обучение, всегда стремясь к новым знаниям и навыкам.
"Lifelong" is not commonly found in idiomatic expressions; however, there are a few phrases where it fits into a broader context:
Lifelong learning – the continuous, self-motivated pursuit of knowledge for personal or professional development.
The concept of lifelong learning is essential in today’s ever-changing world.
Концепция lifelong обучения актуальна в нашем постоянно меняющемся мире.
Lifelong commitment – a promise or obligation that lasts a lifetime.
Her lifelong commitment to her family is admirable.
Ее lifelong обязательство перед семьей вызывает восхищение.
Lifelong passion – a enduring interest or enthusiasm for something.
He has had a lifelong passion for music, often performing at local venues.
У него есть lifelong страсть к музыке, он часто выступает в местных заведениях.
Lifelong friendship – a friendship that endures throughout a person’s life.
They celebrated their lifelong friendship with a reunion.
Они отпраздновали свою lifelong дружбу с воссоединением.
The word "lifelong" is derived from two Old English roots: "life" (from the Old English "līf") meaning the state of being alive, and "long" (from Old English "lang") meaning lasting for a considerable distance or time. The combination forms the meaning of a duration that is as long as one’s life.