child-free

adjective2

1. •
   Of a person or couple, having no children, biological, step, or adopted, as a matter of choice.

   • Persons who choose to have child-free marriages tend to be stereotyped by friends and relatives as deviant, self-centered, or immature (Somers, 1993). — 1996
2. •
   Of an area, where children are excluded.

   • A writer in the Economist in 1998 also suggested creating more comfortable environments for themselves by excluding children: "All airlines, trains and restaurants should create child-free zones." — 2023