ownsome

From own +‎ -some. Apparent noun use is due to ellipsis.

ownsome (comparative more ownsome, superlative most ownsome)

1. Marked by possession, ownership, or belonging; proper.
   • 1939, Harriet Monroe, Morton Dauwen Zabel, George Dillon, Poetry, volumes 53-54, page 110:

     Ranging somebody else's ownsome ground,
     Lacking somebody else's thrill,
     Haunting somebody else's too profound,
     Just a-ghosting for somebody else!

   • 2010, Ardath Mayhar, Robert Reginald, Slaughterhouse World, page 192:

     I was doin' what I had to do to save my cares, those that still breathed, and if this cost me my ownsome life, well, that was the price that I had to pay.

   • 2014, Ivo De Gennaro, The Weirdness of Being:

     This mother-diction engenders the mother-language as such (and therefore the ownsome wyrd of a manhood) in that it firmly hands over the speaking of that language unto its wyrdly biding as a say of en-owning.

   • 2016, B. Spurr, See the Virgin Blest: The Virgin Mary in English Poetry, page 61:

     The second joy that Mary had,
     It was the joy of two,
     To see her ownsome Jesus
     To make the lame to go.

ownsome (plural ownsomes)

1. (informal) One's own; one's lonesome.

   Am I going to have to go there on my ownsome?

   • 2019, Kevin Barry, Night Boat to Tangier, New York: Doubleday, →ISBN, page 162:

     Nelson Lavin had been a month at home on his ownsome watching Judge Judy at five in the morning.