lifelongpartnership

noun
UK /ˈlaɪf.lɒŋ ˈpɑːt.nə.ʃɪp/
US /ˈlaɪf.lɔːŋ ˈpɑːrt.nɚ.ʃɪp/

A lifelong partnership is when two people stay together as a team for their whole lives.

My grandparents have a lifelong partnership built on love and trust.


OTHER MEANINGS

2. A long-term business relationship between two people or groups that lasts for many years.

The two companies formed a lifelong partnership to share ideas and grow together.

3. A close bond between friends who support each other for their entire lives.

Their lifelong partnership began when they met in kindergarten.

4. A lasting connection between two countries or organizations that work together over time.

The schools created a lifelong partnership to exchange students every year.