Meaning of “sterile” - Learner’s Dictionary

sterile

adjective uk us /ˈsteraɪl/
CLEAN

completely clean and without any bacteria:

a sterile needle
NO CHILDREN
NO IDEAS

not having enough new ideas:

a sterile discussion
sterility uk us /stəˈrɪləti/ noun [ U ]

(Definition of “sterile” from the Cambridge Learner’s Dictionary © Cambridge University Press)