Wiktionary
pillowless
a. Without a pillow.
Usage examples of "pillowless".
She hung up, and a moment later, screaming in her nightgown, pillowless but still in curlers, she filled the window frame, pouring the vast bipartite bulk with which I was so familiar into the window box, over the ice plants, and thrusting both her hands into the fleshy, pale-red leaves.
Cindy carried the baby into the living room, and sank down on the pillowless green velvet sofa, cradling Kyle the way she remembered cradling Julia.
She lay back once more, hair spread above her on the pillowless mattress, breath taken by her own beauty.