life partner

American

noun

one member of a monogamous relationship.

life partner British

noun

either member of a couple in a long-term relationship

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For the first time, Havens realized he wanted to be someone’s life partner.

From Slate • May 2, 2026

This included love interest MJ, played by Holland's real life partner Zendaya, who is set to reprise her role.

From BBC • Apr. 14, 2026

On Indian matrimonial site Jeevansathi, meaning "life partner" in Hindi, he started talking to a woman who said her name was Rekha Shah.

From BBC • Oct. 17, 2025

It is now inconsequential to me whether I ever end up in a romantic relationship again; I have a reliable life partner, and it’s myself.

From Los Angeles Times • Sep. 4, 2025

In opening up his world to me, Barack was showing me everything I’d ever need to know about the kind of life partner he’d be.

From "Becoming" by Michelle Obama

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023