airless / heirless [ˈɛrləs]
airless – adj. – 1. not ventilated; 2. without a breeze, still
heirless – adj. – lacking someone to succeed in a position or possession of property
airless
The apartment, it turned out, was little more than a dark, airless hovel exuding a revolting odor and overflowing with garbage, dirty dishes, tattered, filthy rags draped over old, broken pieces of furniture, and infested with mice.
~ Rest in Peace (2016) - Vered Stein
heirless
In 2009, 47 countries convened in Prague to deal with the lingering problem of restitution of pre-war private, communal and heirless property stolen in the Holocaust.
~Searching for Justice After the Holocaust: Fulfilling the Terezin Declaration and Immovable Property Restitution (2019) - Michael J. Bazyler, Kathryn Lee Boyd, Kristen L. Nelson