What does "life partner" mean?

A romantic partner for life. This can be same-sex or opposite-sex, married or without marriage, and monogamous or polyamorous.

What is a synonym for "life partner"?

Common synonyms include: helpmates, helpmeets, mates, partner, soulmate, soulmates.

noun

noun ·Rare ·Advanced level

Noun

1
A romantic partner for life. This can be same-sex or opposite-sex, married or without marriage, and monogamous or polyamorous.
"He went on, “I want to find a ‘life partner.’ With that future partner of mine, I want to shout our love and world peace from outer space.”"

"He went on, “I want to find a ‘life partner.’ With that future partner of mine, I want to shout our love and world peace from outer space.”"