childless
/ˈtʃɪldlɪs/Definitions
1. adjective
having no children, especially not having any yet or having none surviving.
“The couple decided to adopt a child after realizing they would be childless.”
2. noun
a person or people who have no children, especially as a result of choice or circumstances.
“The childless couple were happy to devote their time to philanthropy.”
3. adverb
in a way that is characteristic of a person who has no children.
“She worked childless to meet the project deadline.”