hiddenpact

noun
UK /ˈhɪd.ən.pækt/
US /ˈhɪd.ən.pækt/

A secret promise that two or more people make and keep quiet.

The two friends made a hiddenpact to share their snacks every day without telling anyone.


OTHER MEANINGS

2. A quiet arrangement between groups to help each other without others knowing.

The two clubs had a hiddenpact to cheer for each other at every game.

3. A private rule that friends agree to follow but never write down.

Their hiddenpact was to always save the last cookie for whoever woke up first.

4. A sneaky deal that is kept away from grown-ups or leaders.

The kids formed a hiddenpact to trade lunchbox treats at recess.