keyless
adj.— «Activists here began organizing a City Hall summit to confront what they saw as the swelling population of street people, those living in shelters, and keyless men and women crashing on friends’ couches.» —“Summit In Somerville Grapples With Its Rising Number Of Homeless” by Ric Kahn in Somerville, Mass. Boston Globe Dec. 24, 2000. (source: Double-Tongued Dictionary)
Further reading
There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...
One of the celestial bodies listed in The Dictionary of Minor Planet Names(Amazon) is called Sumaura. It’s the name of the oldest private elementary school in Kobe, Japan, and was suggested by the discoverer’s son. This is part of a...