Meaning of “sterile” - Learner’s Dictionary

sterile

adjective us uk /ˈsteraɪl/
CLEAN

completely clean and without any bacteria:

a sterile needle
NO CHILDREN
NO IDEAS

not having enough new ideas:

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

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