sharedimprovement

noun
UK /ʃɛəd ɪmˈpruːvmənt/
US /ʃɛrd ɪmˈpruːvmənt/

A shared improvement is when everyone works together to make something better.

The neighbors made a shared improvement to the park by planting flowers together.


OTHER MEANINGS

2. A change that makes something better for all the people who use it.

The new bike path was a shared improvement for the whole town.

3. When a group of people each do a small part to make a big thing better.

Cleaning the classroom was a shared improvement that made everyone happy.

4. Working together to fix or upgrade something that belongs to everyone.

Fixing the playground slide was a shared improvement by the parents.