fair-weather friendship

noun
UK /ˌfeə ˈweðə ˈfrendʃɪp/
US /ˌfer ˈweðər ˈfrendʃɪp/

A friendship that only works when things are easy and fun.

Their fair-weather friendship fell apart as soon as she needed real help.


OTHER MEANINGS

2. A bond kept only for good times, not hard times.

He showed it was a fair-weather friendship when he stopped calling after my accident.

3. A relationship that lasts only while it benefits one person.

Her fair-weather friendship ended when she could no longer borrow money from him.

4. A shallow connection that disappears at the first sign of trouble.

Moving away revealed the fair-weather friendship for what it was.