Wiktionary
fieldless
a. Without a field (in various senses).
Usage examples of "fieldless".
Their generators all tried to strengthen their domes, and the whole system overloaded, fields weakening to the point where Terran sea level air pressure could rip through them, gusting in the first and only wind Homestead had ever known, howling around the eaves of all the houses the settlers had built in their cocksure confidence in their dome, around the eaves and down the streets and on into the fieldless sector, then out into space, leaving only vacuum behind.