sideapartment

noun
UK /ˈsaɪd.əˌpɑːt.mənt/
US /ˈsaɪd.əˌpɑːrt.mənt/

A small apartment that is next to or attached to a bigger house.

My aunt lives in the sideapartment next to our house.


OTHER MEANINGS

2. A separate living space built onto the side of a main building.

The sideapartment has its own door and kitchen.

3. A smaller unit rented out beside a family home.

They rent the sideapartment to a quiet student.

4. An extra apartment used for guests or family members.

Grandma stays in the sideapartment when she visits.