lifelong commitment

noun phrase
UK /ˈlaɪf.lɒŋ kəˈmɪt.mənt/
US /ˈlaɪf.lɔːŋ kəˈmɪt.mənt/

A promise to keep doing something for your whole life.

Marriage is often seen as a lifelong commitment.


OTHER MEANINGS

2. A long-term promise to stay with a person, job, or cause.

She made a lifelong commitment to teaching children.

3. A decision to keep supporting something until the end of your life.

His lifelong commitment to charity inspired many people.

4. A serious promise that lasts through all of life's changes.

They celebrated fifty years of lifelong commitment to each other.