roofless

adjective
UK /ˈruːfləs/
US /ˈruːfləs/

A roofless place has no roof on top.

The old barn was roofless after the storm.


OTHER MEANINGS

2. Having no place to live; homeless.

The charity helps roofless people find shelter.

3. Lacking any covering or protection above.

They stood roofless under the pouring rain.

4. Not having a top or upper limit.

The roofless stadium let fans see the sky.